Permadeath servers are coming to WoW Classic soon, with surprisingly few changes.
World of Warcraft is a massively multiplayer online role playing game that takes places four years since the aftermath of Warcraft III: Reign of Chaos where thousands of players can interact within the same world, from adventuring together to fighting against each other in epic battles.

Dragonflight Patch 10.2.6 Plunderstorm Guide - Wowhead

Don't grief Asmongold in WoW Classic Hardcore or you could get banned

WoW Classic Hardcore Servers Will Combat Griefing But Leave The Rest Up To Players - GameSpot

The Battle For The Undercity - Quest - WotLK Classic

THE BEST ANTI GRIEF HACK FOR HARDCORE

Love is in the Air (February 5 - February 19) - Wowhead

Dragonflight Patch 10.2.6 Plunderstorm Guide - Wowhead

WoW Classic will officially get Hardcore realms on August 24

Casually Classic: 20 tips for surviving the WoW Classic community's hardcore mode

Official Hardcore Rules Explained - Warcraft Tavern

PSA: Get your level 1 bank alts out of Orgrimmar ASAP. People are exploiting to grief/kill them. (Thunderbluff is much safer at the moment) : r/classicwow