Eldritch Alignment: The Furthest Expanses

As a bonus action the user can either send out 2 arms up to 1/4 of their base max movement (Minimum 10ft) to hit a target for 1d6 radiant damage, or 1 arm half of their movement (Minimum 15 ft) for 2d6 damage.

The arms take 1 turn per max movement to return to user.
If user attacks with only one of their arms, and lands a critical hit, instead of rolling double damage, the arm instead explodes for 1d12 radiant damage on top of the 2d6. This is not automatic and may not be triggered, as the arm will be destroyed upon explosion (for now)