Mars is a passive Item.
- Double tapping a direction makes Isaac quickly dash in that direction.
- Isaac is invincible during the dash.
- The dash deals 4 times your damage.
- The direction of the dash can be changed by holding another button.
- The dash has an approximate 3-second cooldown.
- Thunder Thighs/Leo: Can destroy obstacles while dashing.
- Midas Touch: Dash will freeze enemies and instantly kill them.
- The Virus: Dash will poison enemies.
- Monstrance: Damaging aura remains in effect during dash, allowing for enemies not hit by your dash to be damaged as well.
- Aries: Dash will deal the additional contact damage of Aries which is slightly helpful for bosses.
- The dash can help Isaac enter and leave Curse Room without taking damage.
- Picking up Mars makes Isaac look similar to War. In Roman mythology, Mars is the god of war.