Pre-release data. All data is from the closed beta and community sources. It is incomplete and will change before and after launch.

Anima Codex
Handbook

Synergy

Combat

Synergy is a battle mechanic triggered by team composition. If you deploy enough Anima that share the same Aspect or the same Trait, you activate Synergy effects, which is a reason to group Anima with matching characteristics together.

Synergy

Confidence: unconfirmed · Source: the in-game Handbook (via the Fandom wiki). Pre-release; may change.