Ghost Spiked Armor

While wearing this armor, you can speak its command word as a bonus action to move incorporeally for 1 round. You can move through other creatures and objects as if they were difficult terrain. You take 5 (1d10) force damage if you end your turn inside an object. You can use this ability a number of rounds per day equal to your level.

Spiked armor is a rare type of medium armor made by dwarves. It consists of a leather coat and leggings covered with spikes that are usually made of metal.

The wearer has disadvantage on Stealth (Dexterity) checks.