Fire breath. Lowers weapon def. and magic res.
Reduces target's defense.
Guard Off (called Off Guard in some translations) is a Blue Magic spell that lowers enemies' Defense. It can be learned from Page 256, Magic Dragon, Shadow, Ziggurat Gigas and Azulmagia. It cost 19 MP to cast. Ushabti, while technically having the attack, can never use it as it cannot have enough MP to use it.
TA2 Expose Weakness is a Blue Magick spell learned from Fire Drakes that reduces a unit's Defense and Magick Resistance. The spell costs 8 MP to cast and can hit a target up to 4 tiles away from the caster.
Recurring enemy abilities
Lists of enemy abilities