How to Complete the "To the Edge of the Abyss" Quest
Protect Locran in the Hallowed Descent:

Travel to the Gate of Hell: Begin your journey through the Hallowed Descent to reach the Gate of Hell. You will need a Demonic Heart to Diablo 4 Items proceed into the first section of Hell, the Desolation Fields.
Follow and Protect Locran: As you advance through the Desolation Fields, accompany Locran and protect him from enemy waves. Your goal is to reach the Abyssal Verge and locate the Well of Hatred.
Conduct the Ritual:

Place the Talisman: At the Well of Hatred, Locran will ask you to place a Talisman and protect him during a ritual. Expect waves of challenging enemies, including Elite creatures with various modifiers.
Survive the Infernal Horde: After successfully defending Locran, you’ll face the first Infernal Horde. This involves multiple waves of strong minions and Elite enemies. Defeating these enemies will allow you to place Locran’s Talisman into the Well of Hatred.
Face the Fell Council:

Commune with the Fell Council: With the Talisman placed, Locran will commune with the Fell Council, a group of Hell's rulers. Your final objective is to defeat these powerful bosses and their minions to buy Diablo 4 Items eliminate their threat to Sanctuary.