Boss pets

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Boss pets are pets that resemble miniature boss monsters. There are two broad types of boss pets – those unlocked by specific drop by the boss in question, and those unlocked by other means.

Unlocking all boss pets is one of the requirements for the Insane Final Boss title.

Mechanics[edit | edit source]

The mechanics for the drop chance of the unlock item of boss pets released on 5 January 2015 is as follows:[1]

  • Each boss has a base drop chance of the item, represented as . For example, General Graardor's decaying tooth has a base drop chance of 1/5000.
    • Bosses with a hard mode have a drop chance that is 5 times higher when killed in that mode. For example, the decaying tooth is 1/1000 in hard mode. Bosses with a challenge mode - e.g. bosses in The Heart - have a doubled drop chance in that mode.
  • Each boss has an associated threshold, which is a number . For example, General Graardor's threshold is 1000. This number relates to the total kills of the boss recorded in the player's Beasts tab in the Adventures interface.
    • With the exception of Tess, the thresholds are all 1/5 of the drop chance's denominator multiplied by the number of pets. For example, the Dagannoth Kings have a drop chance of X/2500. One-fifth of 2500 is 500, but there are 3 pets, so the threshold is 3×500, or 1500.
    • This threshold modifier does not apply to Vindicta or the Twin Furies.
  • For every recorded kills the player has of the boss, the numerator of the drop chance increases by 1.
    • This is rounded down, so having 1999 recorded General Graardor kills is treated the same as 1000 recorded General Graardor kills.
    • For bosses with a hard mode, the two kill counts are added together when checking the number of times the threshold has been met. Normal mode and hard mode kills are weighted equally; i.e. 1 hard mode kill has the same effect on increasing the drop chance as 1 normal mode kill does.
    • The numerator is capped at 10, so the drop chance will no longer increase once the threshold has been passed 9 times.
    • For example, a player with 2464 General Graardor kills and 603 hard mode General Graardor kills has 3067 total kills, so their decaying tooth drop chance numerator is increased by 3, giving a drop chance of 4/5000 (1/1250) in normal mode and 4/1000 (1/250) in hard mode.

In a purely mathematical format your chance of receiving a pet on any particular kill is

Where:

  • is your normal mode kill count and is your hard mode kill count
  • is the denominator of the base drop rate
  • is the number of pets available from the boss

Pets unlocked by drops[edit | edit source]

The majority of these pets were added in the boss pets update on 5 January 2015. They are all unlocked by obtaining a specific item drop from the relevant boss. A server-wide broadcast occurs when a player receives a drop. When the player uses the item, the item is consumed and the pet is unlocked with the message: As you touch the artefact, a familiar face approaches you. Congratulations! You have unlocked the pet: <pet unlocked>.

Pets can be obtained while LootShare is active; however, they are not distributed via LootShare. Boss pets are always given to the player who would have obtained the drop if LootShare was not active.

Each of these pets can be examined (by any player) to display the number of kills their owner has against the corresponding boss. They can also be used to override Summoning familiars from the boss pets section of the pets interface. If used this way, the overridden familiar will show the relevant killcount upon being examined, beneath the normal familiar examine.

General rates
Boss pet Boss Unlock item Base drop chance denominator
(hard/challenge mode/Telos)[1]
Threshold[1]
King Black Dragonling.png: Inventory image of King Black DragonlingKing Black Dragonling King Black Dragon King black dragon scale.png: Inventory image of King black dragon scaleKing black dragon scale[n 1] 2,500[1] 500[1]
Kalphite Grublet.png: Inventory image of Kalphite GrubletKalphite Grublet Kalphite Queen Kalphite egg.png: Inventory image of Kalphite eggKalphite egg[n 2] 2,500[1] 500[1]
Rex hatchling.png: Inventory image of Rex hatchlingRex hatchling Dagannoth Rex Shrivelled dagannoth claw.png: Inventory image of Shrivelled dagannoth clawShrivelled dagannoth claw 2,500[1] 1,500[1]
Prime hatchling.png: Inventory image of Prime hatchlingPrime hatchling Dagannoth Prime Dagannoth egg.png: Inventory image of Dagannoth eggDagannoth egg 2,500[1] 1,500[1]
Supreme hatchling.png: Inventory image of Supreme hatchlingSupreme hatchling Dagannoth Supreme Dagannoth scale.png: Inventory image of Dagannoth scaleDagannoth scale 2,500[1] 1,500[1]
Ellie.png: Inventory image of EllieEllie Chaos Elemental Ribs of chaos.png: Inventory image of Ribs of chaosRibs of chaos 2,500[1] 500[1]
Molly (pet).png: Inventory image of Molly (pet)Molly Giant Mole Rotten fang.png: Inventory image of Rotten fangRotten fang 2,500 (500)[1] 500[1]
Chick'arra.png: Inventory image of Chick'arraChick'arra Kree'arra Giant feather.png: Inventory image of Giant featherGiant feather 5,000 (1,000)[1] 1,000[1]
Commander Miniana.png: Inventory image of Commander MinianaCommander Miniana Commander Zilyana Auburn lock.png: Inventory image of Auburn lockAuburn lock 5,000 (1,000)[1] 1,000[1]
General Awwdor.png: Inventory image of General AwwdorGeneral Awwdor General Graardor Decaying tooth.png: Inventory image of Decaying toothDecaying tooth 5,000 (1,000)[1] 1,000[1]
K'ril Tinyroth.png: Inventory image of K'ril TinyrothK'ril Tinyroth K'ril Tsutsaroth Severed hoof.png: Inventory image of Severed hoofSevered hoof 5,000 (1,000)[1] 1,000[1]
Nexterminator.png: Inventory image of NexterminatorNexterminator Nex Blood-soaked feather.png: Inventory image of Blood-soaked featherBlood-soaked feather 2,000[1] 400[1]
Reeves.png: Inventory image of ReevesReeves Nex: Angel of Death Blood tentacle.png: Inventory image of Blood tentacleBlood tentacle 3,000 600[2]
Corporeal Puppy.png: Inventory image of Corporeal PuppyCorporeal Puppy Corporeal Beast Corporeal bone.png: Inventory image of Corporeal boneCorporeal bone 2,500[1] 500[1]
Shrimpy.png: Inventory image of ShrimpyShrimpy Har-Aken Volcanic shard.png: Inventory image of Volcanic shardVolcanic shard 200[1] 40[1]
Queen Black Dragonling.png: Inventory image of Queen Black DragonlingQueen Black Dragonling Queen Black Dragon Queen black dragon scale.png: Inventory image of Queen black dragon scaleQueen black dragon scale[n 1] 2,500[1] 500[1]
Kalphite Grubling.png: Inventory image of Kalphite GrublingKalphite Grubling Kalphite King Kalphite claw.png: Inventory image of Kalphite clawKalphite claw 2,000[1] 400[1]
Legio Primulus.png: Inventory image of Legio PrimulusLegio Primulus Legio Primus Corrupted Ascension signet I.png: Inventory image of Corrupted Ascension signet ICorrupted Ascension signet I 1,000[1] 1,200[1]
Legio Secundulus.png: Inventory image of Legio SecundulusLegio Secundulus Legio Secundus Corrupted Ascension signet II.png: Inventory image of Corrupted Ascension signet IICorrupted Ascension signet II 1,000[1] 1,200[1]
Legio Tertiolus.png: Inventory image of Legio TertiolusLegio Tertiolus Legio Tertius Corrupted Ascension signet III.png: Inventory image of Corrupted Ascension signet IIICorrupted Ascension signet III 1,000[1] 1,200[1]
Legio Quartulus.png: Inventory image of Legio QuartulusLegio Quartulus Legio Quartus Corrupted Ascension signet IV.png: Inventory image of Corrupted Ascension signet IVCorrupted Ascension signet IV 1,000[1] 1,200[1]
Legio Quintulus.png: Inventory image of Legio QuintulusLegio Quintulus Legio Quintus Corrupted Ascension signet V.png: Inventory image of Corrupted Ascension signet VCorrupted Ascension signet V 1,000[1] 1,200[1]
Legio Sextulus.png: Inventory image of Legio SextulusLegio Sextulus Legio Sextus Corrupted Ascension signet VI.png: Inventory image of Corrupted Ascension signet VICorrupted Ascension signet VI 1,000[1] 1,200[1]
Vitalis (pet).png: Inventory image of Vitalis (pet)Vitalis Vorago Ancient summoning stone.png: Inventory image of Ancient summoning stoneAncient summoning stone 5,000 (2,500)[n 3][3] 1,000[4]
Bombi.png: Inventory image of BombiBombi Ancient artefact.png: Inventory image of Ancient artefactAncient artefact 100[n 4][n 5] N/A[n 6]
Barry.png: Inventory image of BarryBarry Araxxor Araxyte egg.png: Inventory image of Araxyte eggAraxyte egg[n 7] 500[1] 200[1]
Mallory.png: Inventory image of MalloryMallory Araxxi
Diddyzag.png: Inventory image of DiddyzagDiddyzag Beastmaster Durzag Durzag's helmet.png: Inventory image of Durzag's helmetDurzag's helmet 300[5] 60[5]
Lil' Tuzzy.png: Inventory image of Lil' TuzzyLil' Tuzzy[n 8] N/A[n 9] 512[6] N/A[n 6]
Yakaminu.png: Inventory image of YakaminuYakaminu Yakamaru Yakamaru's helmet.png: Inventory image of Yakamaru's helmetYakamaru's helmet 300[5] 60[5]
Greg.png: Inventory image of GregGreg Gregorovic Faceless mask.png: Inventory image of Faceless maskFaceless mask 2,000 (1,000)[n 10][7] 400[7]
Lilwyr.png: Inventory image of LilwyrLilwyr Helwyr Twisted antler.png: Inventory image of Twisted antlerTwisted antler 2,000 (1,000)[n 10][7] 400[7]
Ava (pet) icon.png Ava Twin Furies Avaryss' braid.png: Inventory image of Avaryss' braidAvaryss' braid 2,000 (1,000)[n 10][n 11][7][8] 400[7]
Nylessa.png: Inventory image of NylessaNylessa Nymora's braid.png: Inventory image of Nymora's braidNymora's braid 2,000 (1,000)[n 10][n 11][7][8] 400[7]
Vindiddy.png: Inventory image of VindiddyVindiddy Vindicta Imbued blade slice.png: Inventory image of Imbued blade sliceImbued blade slice 2,000 (1,000)[n 10][n 11][7][8] 400[7]
Rawrvek.png: Inventory image of RawrvekRawrvek Glimmering scale.png: Inventory image of Glimmering scaleGlimmering scale[n 1] 2,000 (1,000)[n 10][n 11][7][8] 400[7]
Tess.png: Inventory image of TessTess Telos, the Warden Telos' tendril.png: Inventory image of Telos' tendrilTelos' tendril 1,400 (700)[n 12][9] 300
The Minister.png: Inventory image of The MinisterThe Minister The Magister Soul fragment (The Magister).png: Inventory image of Soul fragment (The Magister)Soul fragment 1,000 200
Solly.png: Inventory image of SollySolly Solak Imbued bark shard.png: Inventory image of Imbued bark shardImbued bark shard 1,200 240[n 13][n 14][2]
Kuroryu.png: Inventory image of KuroryuKuroryu Seiryu the Azure Serpent Chipped black stone crystal.png: Inventory image of Chipped black stone crystalChipped black stone crystal 300 (solo), 1,500 (group)[10][11] 60 (solo), 300 (group)[n 13][n 15][2][12][13]
Unknown Black stone dragon Inert black stone crystal.png: Inventory image of Inert black stone crystalInert black stone crystal 300 (solo), 1,500 (group)[10][11] 60 (solo), 300 (group)[n 13][2][12]
Notes
  1. ^ a b c Level 99 Summoning is required to summon the pet, but it is not required to receive the drop.
  2. ^ Unlocks both forms of the Kalphite Queen.
  3. ^ This is the "per drop" chance, where Vorago gives 5 drops per kill. As such, the "per kill" drop chance (the chance that at least one is dropped in Vorago's 5 drops) is a between 1/1000 and 1/1001 (or between 1/500 and 1/501 in hard mode). If 5 players each obtain one of the drop slots, their individual chances are 1/5000 (1/2500 in hard mode).
  4. ^ Obtainable only after the player has used the maul of omens on Vorago in hard mode on all rotations.
  5. ^ This is the "per drop" chance, where Vorago gives 5 drops per kill. As such, the "per kill" drop chance (the chance that at least one is dropped in Vorago's 5 drops) is between 1/20 and 1/21. If 5 eligible players each obtain one of the drop slots, their individual chances are 1/100.
  6. ^ a b This drop does not use the kill threshold system to improve drop chance.
  7. ^ This drop can only be obtained after all six araxyte pet skins have been obtained. The first egg used unlocks Barry; the second, Mallory.
  8. ^ This pet is not required for Insane Final Boss
  9. ^ This pet unlocks directly from the loot interface, with no item to claim.
  10. ^ a b c d e f Drop chance is not affected by the drop increase reward from reputation.
  11. ^ a b c d One roll for each pet per kill of the boss.
  12. ^ 1,400 in encounters of 99% or lower enrage, 700 in encounters of 100%+ enrage.
  13. ^ a b c Solo and group killcounts are combined to determine the threshold that has been reached
  14. ^ Originally had a threshold of 500
  15. ^ Originally had a threshold of 250 for solo and 1000 for a group

Pets unlocked through other methods[edit | edit source]

Boss pet Boss Unlock method
TzRek-Jad.png: Inventory image of TzRek-JadTzRek-Jad TzTok-Jad Buy from the Soul Wars store for 100 Zeal points and a fire cape, or Stanley Limelight Traders for 1200 thaler and a fire cape. This also requires 99 Slayer and 99 Summoning.
Mega ducklings.png: Inventory image of Mega ducklingsMega ducklings Mega Duck Bring Mega Duck to the coast of South Feldip Hills; unlock chance of 1 in 20[14]
Ahrim the Bobbled.png: Inventory image of Ahrim the BobbledAhrim the Bobbled Ahrim the Blighted Craft using 250 malevolent energy and Barrows - Ahrim's set
Dharok the Bobbled.png: Inventory image of Dharok the BobbledDharok the Bobbled Dharok the Wretched Craft using 250 malevolent energy and Barrows - Dharok's set
Guthan the Bobbled.png: Inventory image of Guthan the BobbledGuthan the Bobbled Guthan the Infested Craft using 250 malevolent energy and Barrows - Guthan's set
Karil the Bobbled.png: Inventory image of Karil the BobbledKaril the Bobbled Karil the Tainted Craft using 250 malevolent energy and Barrows - Karil's set
Torag the Bobbled.png: Inventory image of Torag the BobbledTorag the Bobbled Torag the Corrupted Craft using 250 malevolent energy and Barrows - Torag's set
Verac the Bobbled.png: Inventory image of Verac the BobbledVerac the Bobbled Verac the Defiled Craft using 250 malevolent energy and Barrows - Verac's set

Boss pet totals[edit | edit source]

Pet 29 Jan 2015[15] 18 Sep 2015[16] 15 Mar 2016[17] 4 May 2016[18] 16 Aug 2016[19] 25 Apr 2017[20]
Mallory 114 1294 N/A N/A 3752 5800
Barry 241 1881 N/A N/A 4749 7171
Ellie 230 2095 N/A N/A 4207 5440
Commander Miniana 405 2454 N/A N/A 5285 6759
Corporeal Puppy 225 2041 N/A N/A 5304 7292
Prime hatchling 296 2392 N/A N/A 4228 5465
Rex hatchling 374 2592 N/A N/A 4694 6132
Supreme hatchling 327 2382 N/A N/A 4168 5352
General Awwdor 1011 5637 N/A N/A 12700 15730
Molly 95 1173 N/A N/A 2485 3315
Shrimpy 199 1688 N/A N/A 3225 3520
Kalphite Grubling 246 1739 N/A N/A 3199 3639
Kalphite Grublet 64 836 N/A N/A 1719 2223
King Black Dragonling 250 3581 N/A N/A 7800 10346
Chick'arra 679 4160 N/A N/A 8890 12399
K'ril Tinyroth 652 4851 N/A N/A 11208 15237
Legio Primulus 187 1187 N/A N/A 2248 2790
Legio Secundulus 201 1192 N/A N/A 2246 2832
Legio Tertiolus 171 1175 N/A N/A 2186 2746
Legio Quartulus 191 1202 N/A N/A 2287 2820
Legio Quintulus 205 1178 N/A N/A 2185 2732
Legio Sextulus 177 1171 N/A N/A 2215 2776
Mega ducklings 6269 15574 N/A N/A 19909 23000
Nexterminator 214 1627 N/A N/A 3865 5588
Queen Black Dragonling 515 3877 N/A N/A 7983 10499
Vitalis 182[21] N/A 489 N/A 591 720
Bombi N/A N/A 640 N/A 941 1304
Krar Jnr N/A N/A 1127 N/A 1953 N/A
Lil' Tuzzy N/A N/A 871 N/A 1266 N/A
Ava N/A N/A N/A 1206 3066 5788
Nylessa N/A N/A N/A 1239 2974 5746
Lilwyr N/A N/A N/A 475 1363 3351
Greg N/A N/A N/A 432 1078 2707
Vindiddy N/A N/A N/A 1151 4025 10611
Rawrvek N/A N/A N/A 1104 3673 9716
Tess N/A N/A N/A N/A 483 1950
Reeves N/A N/A N/A N/A N/A 362
Diddyzag N/A N/A N/A N/A N/A 2039
Yakaminu N/A N/A N/A N/A N/A 1308
Ahrim the Bobbled N/A N/A N/A N/A N/A 1009
Dharok the Bobbled N/A N/A N/A N/A N/A 1058
Guthan the Bobbled N/A N/A N/A N/A N/A 776
Karil the Bobbled N/A N/A N/A N/A N/A 1393
Torag the Bobbled N/A N/A N/A N/A N/A 802
Verac the Bobbled N/A N/A N/A N/A N/A 859
TzRek-Jad N/A N/A N/A N/A N/A 4009

Trivia[edit | edit source]

  • The Queen Black Dragonling and Dagannoth hatchlings were originally not planned to be released with the other pets, due to the Queen Black Dragon being "too big" and the Dagannoth Kings having old animations. Due to player feedback, they were included with the other pets.
  • The original concept was to allow players to obtain the pets by either getting the item as a drop, or by gambling reaper points for a random pet. The latter was scrapped later on.
  • For a short while after the update, you would get a notification in your chatbox saying "Your favourite bosses can now be obtained as pets, so what are you waiting for? Get out and catch them all!" This is a reference to the Pokémon franchise.
  • In the first batch of boss pets, all examine texts were plays on their larger counterparts' examines.

References[edit | edit source]

  1. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap aq ar as at au av aw Mod Ryan. "Boss pets - Drop rates!." 9 January 2015. Ninja Team Forums.
  2. ^ a b c d Mod Shauny. "Patch Notes (16 July 2018)." 16 July 2018. Recent Game Updates Forums. Mod Shauny: "Nex:AoD, Solak and Seiryu's boss pet threshold modifiers are now at one fifth of their base random chance."
  3. ^ Jagex. Mod Chris L's Twitter account. 8 February 2015. (Archived from the original on 24 March 2015.) Mod Chris L: "1/5k per drop, so should be 1/1k kills"
  4. ^ Mod Shauny[source needed]. "Patch Notes (31 July 2017)." 31 July 2017. Recent Game Updates Forums. Mod Shauny: "A threshold of 1,000 has been added to the Ancient Summoning Stone drop from Vorago."
  5. ^ a b c d Mod William. "Patch Notes (20 February 2017)." 20 February 2017. Recent Game Updates Forums. Mod William: "Two new boss pets have been added to the game, Yakaminu (Yakamaru) and Diddyzag (Beastmaster Durzag). They are a requirement for the golden Final Boss title, and have a 1/300 drop rate, with a threshold of 60 kills. They can be won in an "off-loot" kill, and will still be awarded if a player is disconnected or leaves the group after winning the pet, before managing to claim it."
  6. ^ Mod Timbo. "Revealing Drop Rates." 20 October 2017. Developers' Blogs. Mod Timbo: "If you don't already own Lil' Tuzzy, Durzag rolls a 1 in 512 chance to drop the pet."
  7. ^ a b c d e f g h i j k l Jagex. Mod Ramen's Twitter account. 30 March 2016. (Archived from the original on 17 January 2019.) Mod Ramen: "Drop rates are 1/2000 normal mode, 1/1000 challenge mode and 400 threshhold" In response to the question: "Threshes were said to be the same as nex. I haven't seen this confirmed though, maybe kyle can?"
  8. ^ a b c d Jagex. Mod Ramen's Twitter account. 30 March 2016. (Archived from the original on 17 January 2019.) Mod Ramen: "i've allowed it to roll once for each of pets which is why they seem so common" In response to the question: "I assume it's just 1/2k > Pick one of the two for Twin Furies? Or is there conditions for a specific one?"
  9. ^ Jagex. Mod Ramen's Twitter account. 4 July 2016. (Archived from the original on 17 January 2019.) Mod Ramen: "1400" In response to the question: "Is the Telos pet 1/1400 below 100% enr, or 1/1050?"
  10. ^ a b Jagex. Mod Orion's Twitter account. 10 October 2018. (Archived from the original on 17 January 2019.) Mod Orion: "Futon has 245 kills: You have a 4x higher chance to receive the pet on solo mode. You have not yet reached the threshold on group mode. That's a 4/300 (1/75) drop chance in solo. You remain on a 1/1500 in group. … I was actually wrong. It's a 5/300 (1/60) chance on solo. Regular roll + threshold + threshold + threshold + threshold." An example of the combined killcount threshold given in response to a player.
  11. ^ a b Jagex. Mod Orion's Twitter account. 10 October 2018. (Archived from the original on 17 January 2019.) Mod Orion: "Correct. We're VERY happy that our systems allow us to re-use the previous elite dungeon code for new ones." In response to the question: "Oh one more thing - does this same system work for ed1 (and is it likely that it will be like this for ed3?)"
  12. ^ a b Jagex. Mod Orion's Twitter account. 10 October 2018. (Archived from the original on 17 January 2019.) Mod Orion: "I've just looked at the code again. A month or two ago, I altered the thresholds to be more consistent. The thresholds are combined and have been for a while."
  13. ^ Jagex. Mod Orion's Twitter account. 24 June 2018. (Archived from the original on 17 January 2019.) Mod Orion: "I believe it's 250 solo and 1k group" In response to the question: "whats the threshold of the new pet I can't find if it was stated anywhere"
  14. ^ Jagex. RS Ninja Team - Boss Pets, Wildywyrm and Combat Improvements! (Twitch.tv livestream). 9 December 2014.*
  15. ^ Jagex. Mod Porky's Twitter account. 29 January 2015. Mod Porky: "Who wants to know how many boss pets have been unlocked? http://i.imgur.com/iAdN1hG.png" The referenced table contains the transcription of the attached image.
  16. ^ Jagex. RuneScape's Twitter account. 22 September 2015. RuneScape: "Confirmed. The Kalphite Grublet is the rarest pet. Gratz if you have one! #RSDevQA http://twitch.tv/runescape https://pbs.twimg.com/media/CPhWtRvUkAEuDVl.png" The referenced table contains the transcription of the attached image.
  17. ^ Jagex. Mod Ramen's Twitter account. 15 March 2016. Mod Ramen: "Here is a little something for all of you curious about how many people own Vitalis, Bombi and Raid pets https://pbs.twimg.com/media/CdlOKyVW0AAV3SD.jpg"
  18. ^ Mod Shauny. God Wars Dungeon 2 - A Stats Megadump!. 4 May 2016.*
  19. ^ ImRubic. TL;DW 226 - Q&A + Data Stream!. 30 August 2016.*
  20. ^ Mod Shauny. Here's something you may enjoy IFB & FB numbers & Boss Drops, enjoy!. 25 April 2017.*
  21. ^ The Vitalis count was given by Mod Ryan on High Level Forums; the post with this count no longer exists.