Weapon self-buffs don't apply when opponent is killed and can't counter

[masterofcontroversy]

Weapon self-buffs are not applied if the opponent is killed in a combat where they cannot counter.
The cause appears to be that, due to its hook address, SetDebuffs is only called if the battle target can counter, and SealSkills will not apply weapon debuffs if either unit died in combat.

The following tests were done by turning debuff 0x5 into a buff using the WepBuffEntry macro, then applying it to the iron bow.

When the enemy is unable to counter and is killed:

When the enemy is able to counter:

When the enemy is not killed: