Sculk Totem

A sculkified totem crafted with a totem of undying, echo shards and sculk catalysts 

While held it would turn your xp bar into a damage sponge by instead consuming xp in place of your health when taking damage from anything except the warden and fall damage until the totem breaks

It would have lower durability compared to most end game gear and would break rather quick, if constantly taking damage however would be a nice alternative to shields and totems where you can instead be a combat damage sponge