Yakamaru
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This article has a strategy guide. All information on mechanics, setups, and tactics is on the subpage.
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| Yakamaru | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Release | 13 July 2015 (Update) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Members | Yes | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Options | Attack, Examine | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Race | ? (edit) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Examine | The embodiment of water. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Combat info | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Combat level | 10,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Life points | 1,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Aggressive |  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Poisonous | 1000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Combat experience | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 XP | 25,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 XP | 8,250 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 XP(2H/MH/OH) | 2,250 / 1,125 / 1,125 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Offensive | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Max hit | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 |  |  |  |  | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 1,653 | 1,653 | 1,653 | ? (edit) | Varies | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Style | Rate | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
  | 4 ticks (2.4s) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Combat levels | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | | | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 99 | 99 | 99 | ? (edit) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Accuracy | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | | | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 2,458 | 2,458 | 2,458 | ? (edit) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Defensive | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Armour |  | Weakness | Susceptible | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 2,765 | 99 |  |  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Base hit chance | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| - | 55 | 55 | 55 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Immunities | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 |  |  |  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Immune | Not immune | Immune | Not immune | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Advanced data | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| NPC ID | 21348 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Links | bestiary • MRND | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Yakamaru is the second boss of the Liberation of Mazcab raid. Yakamaru can be looted once every two days for rewards including the superior versions of Teralith, Primeval and Tempest equipment. This boss can only be fought after killing the first boss of the instance, Beastmaster Durzag, and completing the Liberation of Mazcab Puzzle at least once. Yakamaru spawns jellyfish and different variations of jellyfish: Durable, magical, Piercing, Reflecting Jellyfish and meleefish. It also has a phase where it creates four copies of itself.
According to the fifth stone fragment, Yakamaru was once a spiritual guardian that helped to protect the inhabitants of Mazcab, but fell victim to the corrupting mind magic of the airut shaman, and is now bound to serve them for a more destructive purpose.[1][2] Yakaminu states that Yakamaru takes on the form of a river snake.
Killing Yakamaru for the first time grants 500 reputation with the goebies. Obtaining all unique drops from Beastmaster Durzag and Yakamaru will unlock the title [Name] the Liberator.
Rewards[edit | edit source]
When Yakamaru is killed, its helmet remains and acts as a reward coffer to collect the drops. Yakamaru has several drop tables that are rolled on to constitute the loot. The consumable table is always rolled, summoning charms are commonly received, and tertiary drops may be received. If the unique drops table rolls either a Mazcab ability codex or piece of achto equipment, the main drop will not be received. If the unique drops table rolls Teci, the main drop table will be rolled multiple times.
Marks of War: 600
Summoning charms[edit | edit source]
| Nothing | 20  | 20  | 20  | 20  |
|---|---|---|---|---|
| 69–89% | 0.8–11.2% | 1–11.9% | 2–16% | 2–16% |
| Represents a 90% confidence range based on a sample of 40 kills. 20 items are dropped at a time. Add data to the log (requires JavaScript). | ||||
Consumables[edit | edit source]
| Item | Quantity | Rarity | GE price | High Alch | |
|---|---|---|---|---|---|
 | Cooked eeligator | 6–9 | Common | 4,620–6,930 | 6–9 |
 | Super restore (4) | 7–10 | Common | 25,620–36,600 | 1,260–1,800 |
 | Saradomin brew (4) | 7–10 | Common | 110,341–157,630 | 840–1,200 |
Main drop[edit | edit source]
This drop table is accessed only if no Achto armour or Mazcab ability codex is received.[3]
| Item | Quantity | Rarity | GE price | High Alch | |
|---|---|---|---|---|---|
 | Medium spiky rune salvage | 20–54 | Uncommon | 447,100–1,207,170 | 480,000–1,296,000 |
 | Huge plated rune salvage | 15–66 | Uncommon | 568,965–2,503,446 | 600,000–2,640,000 |
 | Battlestaff | 62–247 | Uncommon | 245,334–977,379 | 260,400–1,037,400 |
 | Ascendri bolts (e) | 25 | Uncommon | 207,100 | 270,000 |
 | Yew logs | 303–499 | Uncommon | 115,443–190,119 | 29,088–47,904 |
 | Magic logs | 210–689 | Uncommon | 152,040–498,836 | 40,320–132,288 |
 | Black dragonhide | 102–258 | Uncommon | 163,404–413,316 | 4,896–12,384 |
 | Water talisman | 71–281 | Uncommon | 59,072–233,792 | 142–562 |
 | Raw rocktail | 109–300 | Uncommon | 97,337–267,900 | 39,240–108,000 |
 | Raw shark | 114–150 | Uncommon | 53,010–69,750 | 20,520–27,000 |
 | Banite stone spirit | 22–27 | Uncommon | 7,040–8,640 | Not alchemisable |
 | Necrite stone spirit | 22–99 | Uncommon | 5,478–24,651 | Not alchemisable |
 | Phasmatite stone spirit | 22–99 | Uncommon | 5,610–25,245 | Not alchemisable |
 | Lantadyme seed | 7–10 | Uncommon | 4,830–6,900 | 266–380 |
 | Dwarf weed seed | 7–12 | Uncommon | 16,618–28,488 | 266–456 |
 | Uncut dragonstone | 23–46 | Uncommon | 114,310–228,620 | 13,800–27,600 |
 | Hydrix bolt tips | 30–65 | Uncommon | 209,940–454,870 | 180,000–390,000 |
 | Airut bones | 61–222 | Uncommon | 553,026–2,012,652 | 61–222 |
 | Sirenic scale | 3–4 | Uncommon | 101,649–135,532 | 18,000–24,000 |
 | Crystal key | 10–32 | Uncommon | 118,690–379,808 | 10–32 |
Tertiary[edit | edit source]
Only one burial charm may drop at a time. The burial charm table and effigy table are not linked—a player may receive drops from one, both, or neither.
| Item | Quantity | Rarity | GE price | High Alch | |
|---|---|---|---|---|---|
 | Small goebie burial charm | 1 | Common | Not sold | Not alchemisable |
 | Goebie burial charm | 1 | Uncommon | Not sold | Not alchemisable |
 | Large goebie burial charm | 1 | Rare | Not sold | Not alchemisable |
 | Starved ancient effigy | 1 | Very rare | Not sold | Not alchemisable |
 | Yakamaru's helmet | 1 | Rare[d 1] | Not sold | Not alchemisable |
- ^ Has a base drop rate of 1/300 with a threshold of 60.[4]
Unique drops[edit | edit source]
Yakamaru can only drop one item from this table. If no armour piece or Mazcab ability codex is dropped, the player will receive teci.
A player that owns all fifteen pieces of achto equipment may continue to receive achto armour as drops, but the drop order is no longer enforced. For example, it is possible to receive a second Achto Teralith Helm, followed by a second Achto Teralith Platebody.
Otherwise, armour is gained from Yakamaru in the following order: gloves, boots, helmet, legs, and body.[5]
Progressing in the drop order requires collecting all three of the previous equipment slot's achto equipment, so in order to receive an Achto Primeval robe top, they would have to get all Achto Tempest, Primeval and Teralith gloves, boots, helm and legs. The Achto equipment gained from each equipment slot is based on the combat style the player dealt the most damage with during the kill they obtained that armour; if the equipment piece corresponding to the used style is not owned, that is always gotten before the others, and otherwise there are equal odds of obtaining armour corresponding to one of the unused styles.[3]
When killed in the wilderness with achto armour, it will drop a specified amount of coins if you die.
| Item | Quantity | Rarity | GE price | High Alch | |
|---|---|---|---|---|---|
 | Teci | 1,000–1,750 | Common[d 1] | Not sold | Not alchemisable |
 | Achto Primeval mask | 1 | Uncommon[d 2] | 8,400,000 | 8,400,000 |
 | Achto Primeval robe top | 1 | Uncommon[d 2] | 12,000,000 | 12,000,000 |
 | Achto Primeval robe legs | 1 | Uncommon[d 2] | 9,600,000 | 9,600,000 |
 | Achto Primeval gloves | 1 | Uncommon[d 3] | 6,000,000 | 6,000,000 |
 | Achto Primeval boots | 1 | Uncommon[d 3] | 6,000,000 | 6,000,000 |
 | Achto Tempest cowl | 1 | Uncommon[d 2] | 8,400,000 | 8,400,000 |
 | Achto Tempest body | 1 | Uncommon[d 2] | 12,000,000 | 12,000,000 |
 | Achto Tempest chaps | 1 | Uncommon[d 2] | 9,600,000 | 9,600,000 |
 | Achto Tempest gloves | 1 | Uncommon[d 3] | 6,000,000 | 6,000,000 |
 | Achto Tempest boots | 1 | Uncommon[d 3] | 6,000,000 | 6,000,000 |
 | Achto Teralith helmet | 1 | Uncommon[d 2] | 8,400,000 | 8,400,000 |
 | Achto Teralith cuirass | 1 | Uncommon[d 2] | 12,000,000 | 12,000,000 |
 | Achto Teralith leggings | 1 | Uncommon[d 2] | 9,600,000 | 9,600,000 |
 | Achto Teralith gauntlets | 1 | Uncommon[d 3] | 6,000,000 | 6,000,000 |
 | Achto Teralith boots | 1 | Uncommon[d 3] | 6,000,000 | 6,000,000 |
 | Mazcab ability codex | 1 | Uncommon[d 4] | 33,381,237 | 180,000 |
- ^ Only if neither Achto armour or Mazcab ability codex rolls were successful, so at most 114/125.[3]
- ^ a b c d e f g h i 1/25 base chance if this is the next armour piece to be obtained. This chance can be improved to 1/24 by having tier 4 luck.[3]
- ^ a b c d e f 1/15 base chance if this is the next armour piece to be obtained. This chance can be improved to 1/14 by having tier 4 luck.[3]
- ^ 1/20 if the roll for Achto armour was unsuccessful, so at most 6/125.[3]
Achievements[edit | edit source]
- Yakamaru (
0) – Defeat Yakamaru. (X/1) - Better Not Touch ( 65) – Defeat Yakamaru with all but one member of the raid still poisoned.
- Day at the Aquarium ( 50) – Defeat Yakamaru with one durable jellyfish and one reflecting jellyfish still alive.
- Make Friends and Influence People ( 50) – Use asphyxiate on Yakamaru's north pool and have the whole raid survive.
- All Together Now ( 70) – Defeat all four images of Yakamaru within ten seconds of one another.
- Rewind ( 60) – After defeating all of the images of Yakamaru, allow the boss to consume a durable jellyfish.
- Yak and Ruin:
- Yak and Ruin I ( 5) – Defeat Yakamaru. (X/5)
- Yak and Ruin II ( 5) – Defeat Yakamaru. (X/10)
- Yak and Ruin III ( 5) – Defeat Yakamaru. (X/25)
- Yak and Ruin IV ( 5) – Defeat Yakamaru. (X/50)
- Yak and Ruin V ( 5) – Defeat Yakamaru. (X/75)
- Yak and Ruin VI ( 5) – Defeat Yakamaru. (X/100)
- Yak and Ruin I (
Transcript[edit | edit source]
Gallery[edit | edit source]
Concept art for Yakamaru
Concept art for Yakamaru
Yakamaru's fight area
Yakamaru wearing a Santa hat and Christmas lights during Christmas
Sick Yakamaru wearing a Santa hat and Christmas lights during Christmas
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Update history[edit | edit source]
- 30 January 2023 (Update):
- Yakamaru's quicksand and poison attacks are now treated as full instant kills, meaning that the sign of life and ring of death can no longer revive a player from them.
- update 9 January 2023 (Update):
- The denominators for base drop rates for Achto Primeval, Tempest, and Teralith equipment is halved and rounded down.
- Owning the respective non-Achto equipment piece no longer halves and rounds down the denominators for base drop rates for Achto Primeval, Tempest, and Teralith equipment.
- patch 16 August 2021 (Update):
- Teleport restrictions have been removed from the boss encounters for the Liberation of Mazcab raid.
- ninja 1 September 2020 (Update):
- A new toggle has been added to Reward Chest interfaces which allows players to loot items in noted or unnoted form.
- patch 7 October 2019 (Update):
- Yakamaru's Stun Phase and Mirage Stun phase will now take into consideration the Flanking Perk.
- patch 1 April 2019 (Update):
- Raids practice mode will now consistently provide 20 planks when challenging Yakamaru's mirage phase.
- ninja 11 June 2018 (Update):
- A warning message about forfeiting rewards when entering Yakamaru after defeating Beastmaster Durzag will no longer incorrectly appear.
- patch 11 September 2017 (Update):
- Some blocking around the foliage surrounding Yakamaru's shark pool has been removed.
- patch 10 April 2017 (Update):
- A stack counter for Yakamaru's drench debuff was added to the buff bar.
- All of Yakamaru's current boss buff icons have been visually updated.
- patch 6 February 2017 (Update):
- Araxxi, Queen Black Dragon, Beastmaster Durzag, Yakamaru and Rush of Blood loot chests now show their total value.
- The Plank used in the Yakamaru Raid encounter should now appear on top of other items by default when dropped.
- patch 16 January 2017 (Update):
- Yakamaru's quicksand sinking animation is now cleared when exiting the area.
- patch 9 January 2017 (Update):
- It is no longer possible to alch or disassemble the planks from the Yakamaru fight, which caused the fight to enter "unofficial hard mode", in which mirage phase would never end.
- patch 22 August 2016 (Update):
- Yakamaru now functions correctly when the poison tank dies on the same tick as the phase transition.
- A few tiles of blocking have been corrected around the pools during the Yakamaru encounter.
- ninja 20 June 2016 (Update):
- The Beasts tab now has a "learn" section for Yakamaru and Beastmaster Durzag.
- patch 18 April 2016 (Update):
- Fixed a spelling issue when attempting to rejoin a Yakamaru fight in progress.
- patch 29 March 2016 (Update):
- If player logs out or is kicked from the group during a Yakamaru encounter, any planks they were carrying will be dropped to the ground.
- patch 18 January 2016 (Update):
- Players can now block the shark pool during the Yakamaru encounter regardless of which special attack he is performing.
- patch 28 September 2015 (Update):
- Familiars will no longer become attackable inside Yakamaru's arena
- Magic tree seeds have been removed from Beastmaster Durzag's and Yakamaru's drop tables.
- patch 1 September 2015 (Update):
- Jellyfish that kill players in the Yakamaru encounter no longer sit idle on top of their prey's corpse.
- All remaining jellyfish will now die once Yakamaru reaches 0 health.
- patch 10 August 2015 (Update):
- Yakamaru will now hunt a larger area for jellyfish when attempting the feat 'Day at the Aquarium'.
- patch 27 July 2015 (Update):
- Yakamaru's sharks no longer trigger outside of the Raids area.
- Vengeance and Reflect Damage no longer makes Yakamaru skip phases.
- Stun pool Yakamaru can now reach people who stand north during mirage phase.
- Planks will now be cleared when leaving and starting the Yakamaru raid encounter.
Trivia[edit | edit source]
- According to Mod Deg, Yakamaru was first defeated 9 hours and 20 minutes after being released.[6]
- Prior to 8 August 2015, while in the starting pool, the use of Vengeance and other sources of typeless damage could cause Yakamaru to stay in that pool, skipping the next phase.
- Yakamaru's sharknado special attack and its examine text "Chainsaws not required" are references to the 2013 film of the same name.
- As of 1 February 2018, the highest kill count for this boss was 2,616 kills.[7] By 13 December 2018, this had increased to 3,433.[8]
- Prior to an update on 16 August 2021, players could not teleport out of Yakamaru's arena after diving down the pipe until Yakamaru was defeated. Attempting to teleport out displayed the message A magical force prevents your teleport!. However, players could leave the arena by leaving or being kicked from their group.
References[edit | edit source]
| Bosses | |
|---|---|
| Minions | |
| Goebies | |
| Rewards | |
| Abilities and unlocks | |
| Teralith equipment | |
| Tempest equipment | |
| Primeval equipment | |
| Imbued rings | |
| Locations | |
| Music | |
| Miscellaneous | |
| Inhabitants |
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| Items |
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| Rewarded titles | |||||||||||
| Locations | |||||||||||
| Music | |||||||||||
| Activities | |||||||||||
| Related | |||||||||||
