7624e778_BBCSE_Damage___Dustloop_Wiki__Description
[Proration Type] Bonus [Applies To] Next attack onwards [Affects Recover/Untech Time] yes [Description] 
Only some moves have Bonus Proration. Proration value of greater that 100%. Using the move 2+ in a combo will not add bonus proration.
BBCSE/Damage - Dustloop Wiki
Description