Clan Boss · daily

Clan Boss (Demon Lord)

The Demon Lord resets every 24 hours and has six difficulties, from Easy to Ultra-Nightmare. It starts each day in Void affinity, switches to a random affinity below 50% HP, and its damage ramps from turn 10 — which is why endgame teams rely on Unkillable or heavy sustain.

6 difficultiesKey every 6 hResets daily
In-game screenshot: a team fighting the Demon Lord Clan Boss
In-game screenshot: a team fighting the Demon Lord Clan BossImage: Blizzard Entertainment

How the Clan Boss works

  • ◆

    The Demon Lord Clan Boss has six difficulties: Easy, Normal, Hard, Brutal, Nightmare and Ultra-Nightmare (UNM); higher tiers need a higher-quality team but give better rewards.

    ayumilove.net
  • ◆

    Each attempt costs a Clan Boss key; one key regenerates every 6 hours and extra keys can be bought for 100 Gems.

    ayumilove.net
  • ◆

    The Demon Lord resets every 24 hours; clan members chip away at a shared HP pool and chests are awarded per difficulty based on personal damage, doubled if the clan brings the boss down.

    Plarium
  • ◆

    The boss starts each day in Void affinity and, after dropping below 50% HP, switches to a random non-Void affinity (Force, Magic or Spirit) that stays until reset.

    Plarium
  • ◆

    Its single-target hit stuns (irresistibly) and scales with the target's MAX HP; its two AoE attacks scale with the boss's own ATK.

    ayumilove.net
  • ◆

    Affinity changes its AoE debuff: Void adds Poison, Force adds Decrease ATK, Magic adds Decrease ACC and Spirit adds Decrease SPD (Spirit is generally seen as the hardest).

    hellhades.com
  • ◆

    From turn 10 the boss's damage ramps up every turn, more steeply from turn 20; from turn 50 it ignores Block Damage and Unkillable.

    ayumilove.net
  • ◆

    The boss is immune to Stun, Freeze, Sleep, Decrease SPD, Turn Meter reduction, MAX HP reduction and HP-swap effects, and takes reduced damage from Poison/HP Burn and MAX-HP-based skills.

    ayumilove.net
  • ◆

    Ayumilove's recommended thresholds: boss Speed / required ACC — Easy 90/20, Normal 120/50, Hard 140/70, Brutal 160/140, Nightmare 170/170, Ultra-Nightmare 190/220; suggested DEF ~3,500 and HP ~42,500 for UNM.

    ayumilove.net
  • ◆

    Chest tiers by damage: UNM gives Mythical (from ~17.6M), Divine (~23.4M), Celestial (~46.8M) and Transcendent (over ~70.3M) chests; Nightmare tops out at the Ultimate chest (over ~39.2M); Brutal at Grandmaster (over ~21.7M).

    ayumilove.net
  • ◆

    Key debuffs on the boss (max 10 at once): Decrease ATK, Poison, Weaken, Decrease DEF, HP Burn and Leech; key buffs: Counterattack, Increase SPD, Increase DEF, Ally Protection and Unkillable (the classic endgame unkillable-team strategy).

    hellhades.com
  • ◆

    Only "all battles" leader auras apply in Clan Boss; most teams rely on the Lifesteal set unless they have Leech or another sustain source.

    hellhades.com

Reference

Boss speed and accuracy to aim for

DifficultyBoss speedAccuracy needed
Easy9020
Normal12050
Hard14070
Brutal160140
Nightmare170170
Ultra-Nightmare190220

Recommended thresholds from Ayumilove’s Clan Boss guide (updated September 2026). Suggested Ultra-Nightmare survivability: about 3,500 DEF and 42,500 HP. Source.

Reference

Top chests and the damage they need

DifficultyChestDamage
Ultra-NightmareMythical~17.6M
Ultra-NightmareDivine~23.4M
Ultra-NightmareCelestial~46.8M
Ultra-NightmareTranscendent70.3M+
NightmareUltimate39.2M+
BrutalGrandmaster21.7M+

Chest thresholds from Ayumilove’s Clan Boss guide. Chests are doubled when the clan brings the boss down. Source.

Not confirmed

  • · A fixed day-by-day affinity rotation for Clan Boss was not confirmed by sources fetched; the official page describes a random non-Void affinity after 50% HP.
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Answers

Clan Boss (Demon Lord) FAQ

How many Clan Boss keys do you get in Raid?

One key regenerates every 6 hours; extra keys cost 100 gems. The Demon Lord itself resets every 24 hours.

What affinity is the Clan Boss today?

It starts every day in Void affinity and, once below 50% HP, switches to a random non-Void affinity (Force, Magic or Spirit) until the reset, according to Plarium’s game overview. A fixed day-by-day rotation is not confirmed.

How much damage do you need for the Ultra-Nightmare Transcendent chest?

Over roughly 70.3 million damage, per Ayumilove’s thresholds. Celestial starts around 46.8 million and Mythical around 17.6 million.

Why do Clan Boss teams use Unkillable?

The boss’s damage ramps up every turn from turn 10, more steeply from turn 20, so long runs need a way to survive indefinitely — Unkillable and Block Damage teams. From turn 50 the boss ignores both.

Checked 4 October 2026 · 3 sources: Demon Lord Clan Boss Guide (Ayumilove), RAID Game Overview (official, Plarium), HellHades Guide to Clan Boss

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