Polar Star is an active item in Warp Zone, a mod for The Binding of Isaac.

On useSwitches between Gun and Jetpack modes.

While heldKilling enemies grants EXP.

The item levels up when getting enough EXP.

LevelsLevel 1 → Default shots with x1.5 damage.
Level 2 → Double shots with default damage.
Level 3 → 1 big bullet with x3 damage.

Taking damage removes 1 level.

Polar Star can be found in the following item pools:

• Download Warp Zone from the Steam Workshop.