Asteria
Asteria is a 5★ Striker-class Partner in Chaos Zero Nightmare. Equipped on a Combatant, Asteria raises ATK by +16–24% (Always active) and Attack card DMG by +25–50% (attack card of cost 2+). Asteria's EGO skill, Light of Ark, can be used for 2 cost. Rewritten in plain terms from in-game data — not a copy of the original wording.
Partner Passive
Sharshine-piercing Lighthouse
What this partner does when equipped, explained buff-by-buff (values shown as a low→high investment range).
| Buff | Amount | Condition |
|---|---|---|
| ATK | +16–24% | Always active |
| Attack card DMG | +25–50% | attack card of cost 2+ |
| Pulverize card DMG | +10–20% | Always active |
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 |
|---|---|---|---|---|---|
| ATK · Main stat boost | +16% | +18% | +20% | +22% | +24% |
| Attack card DMG | +25% | +32% | +38% | +44% | +50% |
| Pulverize card DMG | +10% | +13% | +15% | +18% | +20% |
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.
+20% Damage of the next Attack card used by the assigned Combatant for the total cost of all cards in the hand (Max 10).
Is Asteria Worth Investing In?
Asteria is a 5★ partner whose passive raises ATK by +16–24% across 5 official investment tiers — a solid pick whenever your team needs that stat.
Which Combatants Does Asteria Work Best With?
Asteria is a Striker-class partner. Its main effect grants a ATK bonus, so it fits any Combatant whose damage or survivability scales with ATK, not just one fixed unit.
What Does Asteria's EGO Skill Do?
Asteria's EGO skill, Light of Ark, costs 2 and does the following: +20% Damage of the next Attack card used by the assigned Combatant for the total cost of all cards in the hand (Max 10).