Quick answer
Rebirth is an official concept, but the threshold and multiplier must come from the player; this page only compares player-entered scenarios.
Start here when this is the exact player task you searched for. The sections below turn the question into steps, checks, and next pages.
For +1 Anime per Step rebirth, use the quick answer first, then check whether the topic affects a code reward, event, item, unit, map, build, value, or upgrade path.