You can also complete Research Requests for Bahari where you hunt specific Afflicted Monsters.

If you like the new rerolled version, you can select it, but if you'd prefer to keep your old reroll, you can choose that instead.

These rerolls can also remove skills and reduce stats as well, making them a bit of a trade-off.

Now you can use any Amber Essence to augment your armor, which will potentially reroll its resistances, defense, decoration slots, or will add skills.

Head to Minayle and use the Amber Essence to unlock augmentation for an armor piece.

You'll have to unlock more investigations to get Prime Amber Essence. These will be listed as rewards on the monster's quest page.

Complete an Anomaly Investigation to earn either Amber Essence+ if you have rarity nine armor, or Prime Amber Essence for rarity ten.

As with weapons, you'll want to make sure you have high rarity armor you're willing to invest in first. You get Amber Essence by completing Anomaly Investigations and it's used to unlock armor augmentation and perform rerolls. You're going to need another resource in order to do this, though: Amber Essence.

The stronger system by far is Qurious Armor Crafting, since it gives you a chance to buff resistances, defense, and add new armor skills and decoration slots.

Can you reroll crafted gear diablo 2?