Alyssa
Alyssa is a 4★ Controller-class Partner in Chaos Zero Nightmare. Equipped on a Combatant, Alyssa raises DEF by +12–24% (Always active) and HP restored by +3–6% (at battle end). Alyssa's EGO skill, Vitality Boosting Potion, can be used for 2 cost. Rewritten in plain terms from in-game data — not a copy of the original wording.
Partner Passive
Alchemical Fruits
What this partner does when equipped, explained buff-by-buff (values shown as a low→high investment range).
| Buff | Amount | Condition |
|---|---|---|
| DEF | +12–24% | Always active |
| HP restored | +3–6% | at battle end |
Rewritten in plain terms from in-game data — not a copy of the original wording.
Level-by-level upgrade table
Official in-game data across all 5 investment tiers (not just the low–high range).
| Buff | Tier 1 | Tier 2 | Tier 3 | Tier 4 | Tier 5 |
|---|---|---|---|---|---|
| DEF · Main stat boost | +12% | +15% | +18% | +21% | +24% |
| HP restored | +3% | +3.8% | +4.5% | +5.3% | +6% |
Rewritten in plain terms from in-game data — not a copy of the original wording.
EGO Skill
A special skill this partner can activate by paying the cost below.
Heal 100%. When in an Injured state, increase Healing Amount by 50%. 1 Morale for 1 turn.
Is Alyssa Worth Investing In?
Alyssa is a 4★ partner whose passive raises DEF by +12–24% across 5 official investment tiers — a solid pick whenever your team needs that stat.
Which Combatants Does Alyssa Work Best With?
Alyssa is a Controller-class partner. Its main effect grants a DEF bonus, so it fits any Combatant whose damage or survivability scales with DEF, not just one fixed unit.
What Does Alyssa's EGO Skill Do?
Alyssa's EGO skill, Vitality Boosting Potion, costs 2 and does the following: Heal 100%. When in an Injured state, increase Healing Amount by 50%. 1 Morale for 1 turn.