it also works with ifrits) when they are mine, they die quickly) but when they are the enemy, then it's hard to kill them) especially without losses)) although I know that the shield's strength depends on the number of attacking creatures)) ... that's why I get hit hard (... the army is big))
and neutrals or computers (I haven't played against a human controlling Chaos) with a small army) that's why they don't get killed).