Following the destruction of Mjolnir, Thor is without a weapon when he is attacked and defeated by Thanos and his forces during the events of "" (2018). In response, Thor travels to the Nidavellir with Rocket and Groot to have a new weapon forged by the dwarves. Thor learns that Thanos killed all of its inhabits save for Eitri and destroyed the forge. Thor restarts and holds open the damaged forge, which is powered by a neutron star, and Eitri is able to heat the ore but Thor is significantly damaged. With help from Groot, who creates the handle out of his own arm, Thor summons and is healed by Stormbreaker.