ESODecoded

Major Slayer: every source

Every set and skill in ESO that grants Major Slayer.

What it does+10% damage done to Dungeon, Trial, and Arena monsters.
data retrieved 2026-06-11 · datamined via UESP

Sets that grant Major Slayer (6)

SetHow (exact bonus)
Master ArchitectWhen you use an Ultimate ability while in combat, you and the closest 5 group members within 28 meters of you gain Major Slayer for 1 second per 10 Ultimate spent, increasing your damage done to Dungeon, Trial, and Arena Monsters by 10%.
Perfected Roaring Opportunist(5 items) After completing a fully-charged Heavy Attack, you and up to 5 group members gain Major Slayer, increasing your damage done to Dungeon, Trial, and Arena Monsters by 10% for 1 second for every 600 Spell Damage or 6300 Magicka you have. Roaring Opportunist can only affect a target every 22 seconds. Maximum duration 12 seconds.
Perfected Tooth of LokkestiizWhen you activate a synergy while in combat, gain Major Slayer for 16 seconds, increasing your damage done to Dungeon and Trial monsters by 10%.
Roaring Opportunist(5 items) After completing a fully-charged Heavy Attack, you and up to 5 group members gain Major Slayer, increasing your damage done to Dungeon, Trial, and Arena Monsters by 10% for 1 second for every 600 Spell Damage or 6300 Magicka you have. Roaring Opportunist can only affect a target every 22 seconds. Maximum duration 12 seconds.
Tooth of LokkestiizWhen you activate a synergy while in combat, gain Major Slayer for 16 seconds, increasing your damage done to Dungeon and Trial monsters by 10%.
War MachineWhen you use an Ultimate ability while in combat, you and the closest 5 group members within 28 meters of you gain Major Slayer for 1 second per 10 Ultimate spent, increasing your damage done to Dungeon, Trial, and Arena Monsters by 10%.