Drops for the boss include an upgrade to the Death Charge spell; demonic tallow, an ingredient used to create the surge potion a potion that restores special attack energy; cosmic catalysts, which allow the player to create aether runes, a mix of cosmic and soul runes; diabolic worms, which increase the catch rate when fishing anglerfish; oathplate armour, armour that specializes in slash accuracy and defence (Yama can drop the whole armor or shards of it); and the soulflame horn, a magic weapon with a special attack that increases melee accuracy for up to four nearby players.
Oathplate armour Vs Torva Compartison
Oathplate armour is ideal against enemies with high Defence that are susceptible to slash attacks, as it improves the accuracy of slash-based weapons (such as the Scythe of Vitur, Soulreaper axe, noxious halberd, and blade of Saeldor). Against enemies with lower Defence, Torva armour may provide better damage.
Compared to Torva armour, Oathplate’s main differences are added offensive slash bonus, but less strength bonus and no prayer bonus. It also penalizes magic attack slightly less, while also providing stronger slash and magic defence. However, it has less stab, crush and ranged defence, and a stronger penalty to ranged attack.
The armour’s strength bonus is on par with Bandos armour and a Neitiznot faceguard.
Unlike Inquisitor’s armour, which has a passive effect, Oathplate does not have any known passive effect.
Oathplate armour Bonuses
| Item | Attack bonuses | Defence bonuses | Other | ||||||||||||
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| Helm | 0 | +10 | 0 | -2 | -7 | +50 | +72 | +45 | 0 | +50 | +6 | 0 | 0% | 0 | |
| Chest | 0 | +16 | 0 | -16 | -18 | +105 | +128 | +100 | -5 | +112 | +4 | 0 | 0% | 0 | |
| Legs | 0 | +12 | 0 | -12 | -14 | +75 | +100 | +73 | -3 | +81 | +2 | 0 | 0% | 0 | |
| Totals | 0 | +38 | 0 | -30 | -39 | +230 | +300 | +218 | -8 | +243 | +12 | 0 | 0% | 0 | |
