Understand Eternal Calculus
Useful when…
- Multi-target attackers that can hit at least three enemies for the SPD effect.
- Wearers whose attack hits multiple enemies and can build ATK before a follow-up attack.
How do the attack bonuses work?
The wearer gains ATK. After an attack, each enemy target hit adds another ATK increase, up to five stacks, and the added stacks last until the next attack. If that attack hits at least three enemy targets, the wearer also gains SPD for one turn. The three-target SPD trigger is based on targets hit by that attack.
When does it fit best?
Its temporary ATK buildup rewards attacks that hit several enemies. The SPD effect has a distinct threshold of three targets hit; an attack hitting fewer enemies can still add ATK per target without granting SPD. Because added ATK lasts until the next attack, it is temporary rather than a persistent battle-long stack.
What should be improved?
Promotion raises the Light Cone’s level. Superimposition improves the base ATK bonus, ATK gained per enemy hit, and the SPD bonus; the five-stack limit and three-target condition remain. Consider promotion for base stats, then copies if the wearer frequently hits multiple enemies and benefits from the extra SPD.
How do the comparisons differ?
A Dream Scented in Wheat provides CRIT Rate and boosts Ultimate and Follow-Up ATK damage. A Star That Lights the Night ties Energy and stacking damage bonuses to Assist Skill use. After the Charmony Fall supplies Break Effect and SPD after Ultimate. Their triggers focus on damage types or actions rather than enemies hit per attack.
Limitations and tradeoffs
- The added ATK stacks last only until the next attack.
- The SPD effect requires hitting at least three enemies with an attack.
- Its per-target buildup is less suited to attacks that hit few enemies.
Common mistakes to avoid
- Treating the per-attack ATK stacks as permanent.
- Assuming the SPD bonus activates when fewer than three targets are hit.