| Operator | File | Overview | Dialogue | Gallery |
Puzzle is a 5★ Agent Vanguard who specializes in DP-Recovery and Fast-Redeploy, and the welfare Operator of What the Firelight Casts, awarded once the player completes the Search Warrant from the City Council mission that requires the player to clear FC-5 with his Operator Tokens (
Puzzle's Token) available at River Trade Caravan for 200 
, 240 , 280 , 320 , and 360 . As an Agent Vanguard, Puzzle has a shorter redeployment time of 35 seconds (31 seconds at Potential 3) instead of other Vanguards' 70-80 seconds and an attack range of 2 tiles ahead of him, which unlike the similar Instructor Guards, can hit flying enemies.
Speaking of Puzzle's skills, they improves his offensive capability and the cornerstone of his DP generation capability:
- The first skill, Key Clue, is a "critical hit" skill similar to Power Strike skills, but with a higher SP cost and the critical attack generates 3 DP.
- The second skill, Follow a Lead, buffs Puzzle's ASPD and causes his attacks to generate 1 DP while active, during which enemies attacked by Puzzle receives a long-lasting debuff which periodically inflicts slight Arts damage and can be stacked up to 10 times.
Puzzle's talent, Sequence, buffs his ATK and generates 1 DP when he attacks enemies at full HP.
Puzzle's first base skill, Clue Search α, increases the clue search rate by 10% when he is assigned to the Reception Room, with his second base skill Clue Researching increases the likelihood of obtaining clues that are not yet added to the clue board.
Overall, Puzzle is a solid Agent Vanguard who can consistently generate DP and deal sustained damage at the same time.
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