Zombie Pet

The Zombie Pet is a craftable Pet that is unlocked in.

Kat Caretaking Costs
Kat can upgrade all rarities of this pet except legendary; this costs varying amounts of money and sometimes resources. For each level the pet has, there is a 0.3% discount. For example, at level 50 there will be a 15% discount to the price listed below. Also, the cost listed is for the pet of that type to be upgraded, after which time the rarity will be that of the above type. The time listed is also in real life days as opposed to the in-game equivalent.

Trivia

 * As of patch 0.11.2, the Zombie Pet now increases the defense of Revenant Armor, Zombie Armor, Zombie's Heart, Crystallized Heart, Revived Heart, Reaper Mask, Rotten Armor, Zombie Soldier Armor, Zombie Knight Armor, Zombie Commander Armor, Zombie Lord Armor, Skeleton Grunt Armor, Skeleton Soldier Armor, Skeleton Master Armor, Skeletor Armor, and Skeleton Lord Armor.
 * The Undead Reforge does not classify an armor piece as "Undead" and therefore will not have the defense of the armor increased by the Zombie Pet.