Index entry
Phantom Fists
While wearing these gauntlets, your unarmed strikes deal an additional 1d4 force damage. When you hit a creature of size Large or smaller with an unarmed strike, it must succeed on a DC 10 Strength saving throw.
Complete rules
Ghost-Force Blows While wearing these gauntlets, your unarmed strikes deal an additional 1d4 force damage. When you hit a creature of size Large or smaller with an unarmed strike, it must succeed on a DC 10 Strength saving throw. On a failure, the target is pushed 10 feet away and knocked prone. On a success, the target is pushed 5 feet and does not fall prone.