As a reaction, which you use when you fall or when you are pushed, pulled, knocked prone, or hit by an attack or missed by 4 or less that you can see, you teleport up to 5 meters to an unoccupied space you can see.
If you were hit by an attack, attacks made against you are made with disadvantage until the start of your next turn, including the triggering attack. You can do so after the roll but before any effects of the roll occur.
If the roll already has disadvantage, you cannot apply another instance of disadvantage and you must use this before the roll to cancel out any disadvantage.
You can teleport up to an additional 5 meters for each additional mana expended.
You can expend 1 additional mana to trigger this spell when a creature moves within 1 meter of you or when you take damage. If you take damage, you halve the damage against you.