Thor Destroys Stormbreaker
Beta Ray Bill refuses to yield to Thor, and holds on to Mjolnir as Thor tries to recall it. Seeing Bill’s stubbornness, Thor calls to him Bill’s weapon, Stombreaker, instead, and smashes it against Mjolnir. Stombreaker shatters instantly without any damage to Mjolnir.
From – Thor Vol. 6 #3