Gravity shield: cant buff enemy creatures!?

[montrossen]

So ill be fighting a 5-health creature with high attack and I have gravity shield. I decide to use a health buff, usualy blessing, to block it. I buff it, it has 8 health, but just before it attacks (and gets blocked by gravity shield) it loses 3 health and keeps attacking! is this supposed to happen, or what? BTW I usualy fight AI-4, that might have somthing to do with it.

[Espithel]

Screenshot.
My understanding is the thing is being hit by lightning, reducing its HP.

[dragtom]

this is a bug with blessing.

if you bless an opponent's creature, it only gets the bonus hp untill next attack;
unless you dealt damage to him (not sure what happens on 1 or 2 damage).