Baseball of teleportation

It's a baseball... and it teleports... what else needs to be said?

This weapons automatically hits the target, but you must make a strength check to determine the damage. It teleports back into the users hand.

Damage table.

Nat 1: Instead of the ball teleportation, you teleport behind your target. 

5 or lower: 0 damage but it comes back to you.

6-10: 1+strength modifier Mod

10-14: 2d4+ Strength Mod

15-16: 2d6+ Strength Mod

17-18: 2d8+ Strength Mod 

19-20: 3d6+ Strength Mod

21- 25: 3d8+ Strength Mod

25- 30: 3d12+ Strength Mod

31-39: 3d20+ Strength Mod

40-60: 2d100+ Strength Mod

60+:5d10000+ It's doesn't matter, they're atomized... they're dead. "You get nothing! You Lose! GOOD DAY, SIR."