If Isaac's speed is less than 1.5, the item passively increases his speed to 1.5.
The beams of light now rain from the sky in a straight line based on which direction Isaac charged in. The beams of light now deal (Isaac's damage * 4 + 10) damage.
While not time based, invincibility from White Pony is otherwise identical to damage immunity granted by the invulnerability effect.
Isaac can't dash through doors, which means damage from Curse Room doors cannot be avoided.