Originally Posted by
Lysander
Invincibility
Creatures of Force are completely immune to any type of damage that could not harm a Wall of Force. Nor can they be affected by any spell that allows a fortitude or will save, even beneficial spells. They can still be grappled, restrained, or imprisoned however as becoming a creature of force does not increase their strength. Non-magical fearful presences can still affect them, though they may receive situational bonuses due to their invulnerability. Any spell that could destroy a Wall of Force instantly eradicates them with no save.