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Deathly Doom (Memorial Arena)

Last updated 2025-10-23

Disambig
This article is about the Memorial Arena boss. For the Archive entry, see Deathly Doom.
Deathly Doom latest?format=original
B Rank
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SS Rank
Deathly Doom (Memorial Arena)
Type
BIO
Biologic
Deathly Doom (Enemy) (Icon)
Boss Description
A monster of Chinese legends. Further analysis by Schicksal identified it as a unique class of Dead Silence type Zombies. The two massive horns on its head should serve as a warning to Valkyries. This is no common adversary.
Recommended Features
Advantaged Features
Core Physical
Physical
Core Gather
Gather

Deathly Doom is one of the possible bosses in Memorial Arena.

Boss Attributes

Skill descriptions are shared across all Memorial Arena brackets. But the exact boss stats are (vastly) different across brackets.

C Rank

  • Spirit Walker: Enters the Visible state when casting skills, rendering it vulnerable to attack or control debuffs. When controlled, receives 15% more Physical DMG. After skill use, enters the Stealth state, during which the boss is immune to attacks and control debuffs, but the shield can be weakened by Physical DMG. When the shield is off, the boss enters Visible state and receives 30% more Physical DMG.
  • Phantom Kindred 2: 2 Phantom Zombies.
  • Heavy ATK Trauma: Heavy ATKs charge the Trauma gauge. Stealth state ends when the gauge is fully charged.

B Rank

  • Spirit Walker: Enters the Visible state when casting skills, rendering it vulnerable to attack or control debuffs. When controlled, receives 15% more Physical DMG. After skill use, enters the Stealth state, during which the boss is immune to attacks and control debuffs, but the shield can be weakened by Physical DMG. When the shield is off, the boss enters Visible state and receives 30% more Physical DMG.
  • Phantom Kindred 2: 2 Phantom Zombies.
  • Mind Chant: Becomes Visible for 20s but is immune to control debuffs. Temporarily wakes up to 1 Phantom Zombie on the field.
  • Heavy ATK Trauma: Heavy ATKs charge the Trauma gauge. Stealth state ends when the gauge is fully charged.

A Rank

  • Spirit Walker: Enters the Visible state when casting skills, rendering it vulnerable to attack or control debuffs. When controlled, receives 15% more Physical DMG. After skill use, enters the Stealth state, during which the boss is immune to attacks and control debuffs, but the shield can be weakened by Physical DMG. When the shield is off, the boss enters Visible state and receives 30% more Physical DMG.
  • Phantom Kindred: 3 Phantom Zombies.
  • Mind Chant: BecomeBecome Visible for 20s but is immune to control debuffs. Temporarily wakes up to 2 Phantom Zombies on the field.
  • Heavy ATK Trauma: Heavy ATKs charge the Trauma gauge. Stealth state ends when the gauge is fully charged.

S Rank

  • Spirit Walker: Enters the Visible state when casting skills, rendering it vulnerable to attack or control debuffs. When controlled, receives 15% more Physical DMG. After skill use, enters the Stealth state, during which the boss is immune to attacks and control debuffs, but the shield can be weakened by Physical DMG. When the shield is off, the boss enters Visible state and receives 30% more Physical DMG.
  • Phantom Kindred: 4 Phantom Zombies.
  • Mind Chant: BecomeBecome Visible for 20s but is immune to control debuffs. Temporarily wakes up to 2 Phantom Zombies on the field.
  • Phantom Deceit: Wakes all Phantom Zombies.[note 1]
  • Heavy ATK Trauma: Heavy ATKs charge the Trauma gauge. Stealth state ends when the gauge is fully charged.

SS Rank

  • Spirit Walker: Enters the Visible state when casting skills, rendering it vulnerable to attack or control debuffs. When controlled, receives 15% more Physical DMG. After skill use, enters the Stealth state, during which the boss is immune to attacks and control debuffs, but the shield can be weakened by Physical DMG. When the shield is off, the boss enters Visible state and receives 30% more Physical DMG.
  • Phantom Kindred: 5 Phantom Zombies.
  • Mind Chant: BecomeBecome Visible for 20s but is immune to control debuffs. Temporarily wakes up to 2 Phantom Zombies on the field.
  • Phantom Deceit: Wakes all Phantom Zombies.[note 2]
  • Heavy ATK Trauma: Heavy ATKs charge the Trauma gauge. Stealth state ends when the gauge is fully charged.

Recommended Teams

Decent Scores

Notes

  1. When the first Deathly Doom is defeated, 2 Deathly Dooms are spawned in her place. Each is able to cast skills and often one of the two is Visible. When this pair of Deathly Dooms are defeated, a final Deathly Doom appears in "Frenzy Mode", waking all Phantom Zombies.
  2. When the first Deathly Doom is defeated, 3 Deathly Dooms are spawned in her place. Each is able to cast skills and often one of the three are Visible. When this trio of Deathly Dooms are defeated, a final Deathly Doom appears in "Frenzy Mode", waking all Phantom Zombies.

References