Tiana
Tiana is a 5★ Controller-class Partner in Chaos Zero Nightmare. Equipped on a Combatant, Tiana raises DEF by +16–24% (Always active) and Next attack card DMG by +15–30% (after creating 3 Exhaust cards). Tiana's EGO skill, Phase Alignment, can be used for 3 cost. Rewritten in plain terms from in-game data — not a copy of the original wording.
Partner Passive
Star in the Darkness
What this partner does when equipped, explained buff-by-buff (values shown as a low→high investment range).
| Buff | Amount | Condition |
|---|---|---|
| DEF | +16–24% | Always active |
| Next attack card DMG | +15–30% | after creating 3 Exhaust cards · to allies · max 2 stacks |
| Crit Rate | +6–12% | shield+heal via Order cards · for 1 turn · to allies |
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 | +16% | +18% | +20% | +22% | +24% |
| Damage | +15% | +19% | +23% | +27% | +30% |
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.
Detailed EGO skill description is being updated.
Is Tiana Worth Investing In?
Tiana is a 5★ partner whose passive raises DEF by +16–24% across 5 official investment tiers — a solid pick whenever your team needs that stat.
Which Combatants Does Tiana Work Best With?
Tiana 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.
