Mythic+ guide · Battle for Azeroth · Patch 12.1
Temple of Sethraliss is a four-boss snake-and-venom dungeon in northern Vol'dun. Returning for Midnight Season 2, it features lightning soak management on Galvazzt, burrow add control on Merektha, and a healing puzzle on Avatar of Sethraliss with Corrupted Lifeforce soaks and Faithless Tormentors.
Heavy single-target damage — assign per pack.
Raid-wide lightning damage — never let this complete.
Stacking poison on the group — interrupt or kill fast.
Heals trash packs — interrupt to shorten pulls.
Boss and Avatar trash — assign rotation.
Twin snake bosses with Storm Blessed immunity on Aspix. Gale Force knockback into Thunder And Lightning soak, Tempest Winds puddle drops, and Aspix Frenzy after Adderis dies accelerate all mechanics.
Pull to win — follow each phase in order every time the loop repeats.
Track Storm Blessed on Aspix. Focus spot healing on Gust targets.
Track which snake has Storm Blessed — do not waste damage on the immune boss. Kill Adderis first; immunity passes at 40%. Healers spot heal Gust targets immediately; frequency doubles during Aspix Frenzy after Adderis dies.
Loosely spread for lines. Use walls to stop knockback if needed.
Loosely spread for Gale Force lines without cleaving allies. Use walls to stop knockback if you cannot cancel it. Pre-call 'stack for thunder' before Gale Force — Thunder And Lightning soak comes immediately after knockback.
Collapse in melee after knockback for Thunder And Lightning split.
Immediately after Gale Force knockback, collapse in melee to soak Thunder And Lightning — split the damage across the group. Missing the soak after knockback deals lethal damage to individuals. Tank runs back to melee for soak every cycle.
Two players drop puddles away from group and lightning trails.
Tempest Winds players move out of the group and drop wind puddles at the edge of the arena. Do not drop puddles in paths used for Gale Force recovery or through the group center — floor denial compounds every cycle.
Kill Adderis first. Position for faster mechanics during Aspix Frenzy.
Leave floor space at edges for Tempest Winds before Adderis dies. During Aspix Frenzy, Gust, Gale Force, and Tempest Winds happen more frequently — burn Aspix with cooldowns. Position for faster mechanic cadence; near-continuous movement damage means paced healer CDs.
Immunity buff starting on Aspix; passes to the other boss at 40% health.
Track which snake has Storm Blessed — do not waste damage on the immune boss. Kill Adderis first; immunity passes at 40%. Swap target when immunity transfers.
Gale Force puts a line on each player with strong knockback, then Thunder And Lightning requires a group soak.
Loosely spread for Gale Force lines without cleaving. Use walls to stop knockback if you cannot cancel it. Immediately after knockback, collapse in melee to soak Thunder And Lightning — split the damage.
Officer tip: Soak is right after knockback — pre-call 'stack for thunder' before Gale Force.
Two players debuffed; drop wind puddles on expiration.
Tempest Winds players move out of the group and drop puddles at the edge of the arena. Do not drop puddles in paths used for Gale Force recovery.
Random target damage that needs active spot healing.
Healers identify Gust targets immediately and spot heal. During Aspix Frenzy, Gust frequency increases — pre-hot when Frenzy starts.
After Adderis dies, Aspix enrages — faster Gust, Gale Force, and Tempest Winds.
Position for faster mechanic cadence before Adderis dies — leave floor space at edges for Tempest Winds. Burn Aspix during Frenzy with cooldowns.
Adderis gains Overload buff increasing damage — tank needs defensives.
Tank uses defensive when Adderis has Overload. Call Overload so healers ramp tank healing.