Rachel
Rachel is a 4★ Vanguard-class Partner in Chaos Zero Nightmare. Equipped on a Combatant, Rachel raises Shield gained by +10–20% (when you use a Skill card) and Counterattack chance by +20–40% (when you gain a Shield). Rachel's EGO skill, Colonel Hamburger!, can be used for 2 cost. Rewritten in plain terms from in-game data — not a copy of the original wording.
Partner Passive
Replenish Energy
What this partner does when equipped, explained buff-by-buff (values shown as a low→high investment range).
| Buff | Amount | Condition |
|---|---|---|
| Shield gained | +10–20% | when you use a Skill card |
| Counterattack chance | +20–40% | when you gain a Shield |
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 |
|---|---|---|---|---|---|
| Shield gained | +10% | +13% | +15% | +18% | +20% |
| Counterattack chance | +20% | +25% | +30% | +35% | +40% |
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.
Gain 100% Shield. Draw 1 Card.
Is Rachel Worth Investing In?
Rachel is a 4★ partner whose passive raises Shield gained by +10–20% across 5 official investment tiers — a solid pick whenever your team needs that stat.
Which Combatants Does Rachel Work Best With?
Rachel is a Vanguard-class partner. Its main effect grants a Shield gained bonus, so it fits any Combatant whose damage or survivability scales with Shield gained, not just one fixed unit.
What Does Rachel's EGO Skill Do?
Rachel's EGO skill, Colonel Hamburger!, costs 2 and does the following: Gain 100% Shield. Draw 1 Card.
