The combatant's hood is a cosmetic hood that shows the wearer has achieved level 99 in multiple related skills. For the Combatant's hood these skills are Attack, Constitution, Defence, Magic, Prayer, Ranged, Strength and Summoning.
To get the Combatant's hood, players must train any of these skills beyond level 99 in order to gain a skill shard for each skill. Once one shard per skill has been obtained, players can combine them to create a Combatant's hood, and a matching expert skillcape. The shards required to make the combatant's hood are the sharp, vital, rigid, imbued, holy, aerodynamic, strong, and summoned shards.
This information has been compiled as part of the update history project. Some updates may not be included - see here for how to help out!