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Heart Swallower

Saps enemies on hit, with a {[lifesteal_chance]} chance of stealing {[lifesteal_heal]} health and reducing their attack damage by {[reduce_dmg_pct]}. Lifesteal chance only applies once per enemy.

Overview

Name: Heart Swallower (心を飲み込む者)
Effect: Has a chance on hit to lifesteal HP from enemies and apply an attack-weaken debuff. Lifesteal triggers once per enemy maximum.
Added: April 27, 2026 (Shadow Update)

Rating

A Shadow Update lifesteal + debuff support ball — the headline survival tool for low-HP characters.

Heals you while simultaneously reducing incoming damage by weakening the enemy's attack. Mandatory pickup in any Tiptoer build because it patches her two biggest weaknesses (low HP + low defense) at once.

The "once per enemy" lifesteal cap means it loses value in long boss phases — pair with other heal sources for late-game sustain.

Best Pairings

Tiptoer — solves the low-HP / low-damage tradeoff
Ascetic — low-HP playstyles need the lifesteal
Sisyphus — 4× AoE applies the steal to multiple targets
Physicist — ball-physics multipliers stack hit count

Evolutions

Heart Swallower + Vampirism → larger lifesteal value
Heart Swallower + AoE → simultaneous steal from multiple enemies

Playstyle

Trash-heavy waves give the most value (per-enemy refresh)
Aim deliberately when low on HP
For boss fights, supplement with another sustain source