Build:XXI

Memory Builds ◇ No.21: XXI

A list of recommended builds for No.21: XXI can be found here. Each tab represents one build — click the tabs below to view each one.
See here for more information about Ultima Awakening and resonance slots.

Memory Placement

01	02	03
04	05	06
Bathlon x4 / Einsteina x2

Memory Resonance

Top Resonance Slot (1):
Ex — Tactical Adjustment: HP +75, ATK +15 x6

Bottom Resonance Slot (2):
Tank: Class Skill Level +1 x6

Key Notes

• No.21: XXI's main build
• Ultima Awakening Set

Usage

• Phantom Pain Cage
• War Zone
• Norman Revival Plan
• High difficulty content

Details

• General-purpose QTE support set
• Allows XXI to debuff on QTE.
• Can also be used for DPS on high difficulty stages.

Memory Placement

01	02	03
04	05	06
Da Vinci x4 / Einsteina x2

Memory Resonance

Top Resonance Slot (1):
Ex — Tactical Adjustment: HP +75, ATK +15 x6

Bottom Resonance Slot (2):
Tank: Class Skill Level +1 x6

Key Notes

• Niche build

Usage

• Phantom Pain Cage
• War Zone
• Norman Revival Plan
• High difficulty content

Details

• QTE support set
• Only use this set if there is already someone carrying Bathlon on the team, such as Watanabe: Astral or Kamui: Tenebrion and you don't plan to field her often.

Weapon Resonance ◇ No.21: XXI

Recommended 6★ weapon resonances for No.21: XXI can be found here listed in order of priority.

1. Tenebrion Shock

Inflicts Dark Wave effect upon dealing Dark damage. Dark Wave: reduces the target's Dark resistance by 8% for 8s. Repeated triggering refreshes the duration.

2. Dead Line Timing

Gain 2 extra random signal orbs upon deployment, and 3 signal orbs of the same color every 45s (also gain signal orbs on standby).

3. Resonant Echo

The duration of effect inflicted by Tank class skill increases to 8s.

4. Boundary's Annihilation

On QTE, shields the Construct in control for 10% of the skill user's max HP for 5s.

Priority

HIGH:

• Tenebrion Shock

MEDIUM:

• Dead Line Timing
• Resonant Echo

LOW:

• Boundary's Annihilation

Notes

Minimum recommended amount: 1

• Boundary's Annihilation is mainly equipped in Phantom Pain Cage to keep 100% HP for the highest possible score.