Think about how to leave if things go poorly (i.e.

Be aware of all tools available to you like defensive cooldowns, Crowd Control effects, and your number of Health Potions. Do the same with all Renown Objectives and Altars of Lilith.

Complete all the Dungeons that unlock important Codex of Power aspects as soon as possible for a big power spike and to get new characters going.

Also save up some Gold and materials to upgrade your items. Keep it in your stash so that you can rush through the early levels quickly after a death.

Save back-up gear, especially weapons, for various level requirements.

Make sure that the equipment you're using is adequate and upgraded as much as possible.

Include defensive choices in your build such as extra Armor, Life, Passives and Skills.

The benefits of playing on World Tier II do not always outweigh the greatly increased risk of dying and the frustration that comes with it.

Consider first playing on World Tier I if you are brand new to Hardcore, new to a class, new to a build, or just new to Diablo 4 in general.

Diablo 4 rogue leveling build