Boss of The Cistern Stair

The Cistern Mother

Range 2Floors 11–20

Stats as on floor 20, the range's last.

Relics it carries

• Spawning Frenzy from floor 1: Rush (10): Attack ×2.
• Brood Venom from floor 1: On Ally Death: Poison equal to 5% of its max HP to the enemy front line.
• Passing Rot from floor 1: On Enemy Death: its Poison moves to the enemy front line.

The line, front to back

Its relic pool

What beating it can pay (D-157).

• War Horn: Your fighters' Rushes last 5s longer.
• The Tally: Every Count your fighters hold needs one hit fewer.
• The Alembic: Every Overflow your side gives is half again as much.
• The Bitter Cup: Poison on your enemies decays half as fast.
• Banner of the Long March: +10% Attack Speed per unit in slots 1-2.
• Hollow Ranks: +25% Attack and HP per empty party slot.
• Opening Gambit: Rush (8): +45% Attack.
• Second Wind: On Ally Death: Rush (6): +50% Attack Speed, for every survivor.
• The Frozen Hour: Every Rush lasts the whole fight. No Stall ever triggers.
• Cantor's Wake: On Own Cast: Rush (6): +25% Attack Speed.
• Spawning Frenzy: Rush (10): Attack ×2.
• Brood Venom: On Ally Death: Poison equal to 5% of its max HP to the enemy front line.
• Passing Rot: On Enemy Death: its Poison moves to the enemy front line.