Note that each possible rune has an equal chance to drop (1:11), meaning the odds you'll get a Gul in Hell difficulty are exactly the same as the odds you'll only get a Hel. Finding the Hellforge in Diablo 2: Resurrected Players need to destroy the Soulstone in Hell's Forge in order to gain access to Diablo's lair. It is common to offer the reward for characters' Hellforge quest in exchange for a rush. When the soulstone is destroyed it gives several perfect and flawless gems as well as a potentially high-level rune. Nevertheless, the soulstone is found to have vanished once you reopen your Stash. All you really need is to wield the Hellforge Hammer, and whether it's on your inventory or in your stash, you will still be able to complete the soulstone-smashing quest with it. Either this may be a bug, or somehow, Tyrael's magic allows him to teleport the soulstone directly to the Hellforge when you are there and ready to use it. However, you do not need to have Mephisto's soulstone in your personal inventory. During Diablo II, your hero completes a quest named Mephisto's Soulstone, where he/she smashes Mephisto's soulstone using the Hellforge and the Hammer. The Hellforge appears in Act IV of Diablo II and is protected by an Overlord called Hephasto the Armorer, who holds the Hellforge Hammer required to smash the Soulstone. In both counts they were successful, and the soulstones were destroyed and their contained spirits supposedly banished to the Black Abyss. It was their intent to use the Anvil of Annihilation to destroy Mephisto's soulstone and after retrieving it, Diablo's as well. Long after Izual's fall, a group of heroes made their own assault on the Hellforge. However, he was overcome by the demonic legions.

Дuring the Great Conflict, the archangel Izual led an assault on the Hellforge, in an attempt to prevent the creation of the demonblade, Shadowfang. The Hellforge holds many anvils where Hell's most powerful weapons were created, among them the Anvil of Annihilation. The Hellforge a magical forge found in the deepest pit of the Realm of Destruction-the realm's sole source of creation, yet devoted to the forging of weapons that would only be used to destroy. The legend had it that deep within the Hellforge rested the Anvil of Fury!' Lore 'legends I had heard in my youth about the Burning Hellforge where powerful weapons of magic are crafted. It is first referenced in Diablo (Game) by Griswold in Anvil of Fury (Quest):

The Hellforge is the second quest in Act 4 and begins at the end of Act 3 after you defeat Mephisto and pick up. The Hellforge (short for Burning Hellforge) is located in the Burning Hells. Quest Goal: Use the Hellforge Hammer on Mephisto's Soulstone at the Hellforge.

Where is the hellforge in diablo 2