If your item still has potential, duplicate it using a Rune of Creation. This gives you a backup copy to try again in case your slam doesn't hit the desired stats. Once you're satisfied with your setup, it's time to Last Epoch gold slam.

How to Slam in the Temporal Sanctum

Slam crafting happens in the Temporal Sanctum, where you fuse your unique and exalted item into a Legendary.

Get a Temporal Sanctum Key - Right-click it to open the dungeon.

Run at Least Tier 2 - Only tier two or higher guarantees that one chosen affix will transfer.

Match Item Requirements - Each tier of the Sanctum allows certain level requirements. For instance:

Tier 2: Accepts items up to level 65

Tier 3: Up to level 75

Tier 4: No restrictions (required for the rarest gear)

When you reach Jolra, the boss of the Sanctum, defeat her and interact with the crafting cache. You'll see a dropdown list where you can select one guaranteed affix to transfer.

In Rex's case, the T7 crit multi was guaranteed, and he had a 1-in-3 chance to bring over spell crit as well. Even if you miss, your guaranteed affix ensures your Legendary will still be strong.

Bonus Example: Crafting Simpler Gear

Not every item needs four perfect stats. For example, endgame boots only need movement speed, cooldown recovery, and hybrid health. If your boots have only 1 LP, just ensure the movement speed is T7 and call it a day - that's your guaranteed stat to transfer.

You can still use Runes of Havoc to move that T7 affix where you want it, but there's no need to overcomplicate low-LP items.

Final Thoughts

Crafting in Last Epoch blends planning, patience, and risk-taking. The process isn't just about luck - it's about understanding how each Rune, Glyph, and affix interacts.

Here's a quick summary:

Always know your target stats and item structure before starting.

Manage forging potential carefully; stop before hitting zero if you plan to duplicate.

Use Runes of Havoc to move powerful affixes and Glyphs of Hope to conserve potential.

Slam only in Tier 2+ Sanctum runs to guarantee results.

Don't fear sealed affixes - they're part of advanced crafting strategies.

Whether you're chasing the perfect Stygian Coal or god-tier boots, following these steps will help you craft the most powerful Legendary endgame items Last Epoch has to offer. Having enough cheap Last Epoch gold can also be very helpful.

Last Epoch Target Farming Guide - Fastest Way to Get 3LP Uniques
If you've ever dreamed of dropping that perfect 3LP (Legendary Potential) World Splitter in Last Epoch, this guide breaks down everything you need to know about target farming efficiently. Whether you're hunting boss-specific uniques, world drops, or exalted gear, these methods will help you push your corruption levels and maximize your loot returns. Having a lot of cheap Last Epoch gold can also help you.