Sword of the Necromancer

For this achievement, you need to have 3 relics equipped at the same time.

Relics are widely considered to be any item that can be placed in one of your three available slots that provides a passive bonus to any of your stats, gives resistance to damage types, gives weakness to damage types, or all of the above.

These will be categorized here so you can go to a specific type of relic you might want to own.

Special
masks
amulets
rings
Jewelry
stones

This achievement can also be unlocked in the altar area.