The raid group managed to decrease the abomination's health to 50% and it increased in size once more. The asmodian abomination would also lose its reasoning every time it increased in size. It started becoming more of a monster.
The Asmodian Abomination is starting to follow instinct and reasoning of an intelligent being. Everyone is starting to notice this as the Asmodian Abomination would dodge attacks it would not normally do.
The thing about intellect is that it would be beneficial to those who are weaker, but it is a burden to those who has superior body and level in terms of bosses. Great intellect would have been preferrable for boss monsters with low health pool in defense as they would need to plan three steps ahead to avoid taking damage.