.... If the situation involving Zelos's death, if can prevent the need for a suicide, prevent injury to those who care for him. If I can re-apply a similar effect, tie it to the crest, activate if damaged, hold it for a time, it would allow for the crest to repaired.

Ten hours, would have to reapply after, perhaps a half hour more pressed, devour it for added fuel but would obviously start falling apart.