Pet Upgrades

See also: Pet Items, Pet Skin, and Pet Food

Pet Upgrades are items that can be used to upgrade certain Pets to a higher rarity, most of which are used to upgrade to MYTHIC rarity.

List of Pet Upgrades

Icon	Name	Pet	Upgrades from	Upgrades to	Source
	Vampire Fang	Bat Pet	LEGENDARY	MYTHIC	Rare drop from Grim Reapers.
	Black Woolen Yarn	Black Cat Pet	LEGENDARY	MYTHIC	Donating  200x Dark Candy to Vargul the Unearthed.
	Eerie Treat	Eerie Pet	COMMON	RARE	Sold for  10x Sewer Fish from Tyashoi Alchemist.
	Eerie Toy		RARE	LEGENDARY	Sold for  1x Nightmare Nullifier from Tyashoi Alchemist.
	Enderman Cortex Rewriter	Enderman Pet	LEGENDARY	MYTHIC	Rare drop from Voidling Extremists.
	Mixed Mite Gel	Endermite Pet	LEGENDARY	MYTHIC	Crafting ingredients:  160x Mite Gel 32 323232 32
	Radioactive Vial	Flying Fish Pet	LEGENDARY	MYTHIC	Rare drop from Lord Jawbus.
	Guardian Lucky Block	Guardian Pet	LEGENDARY	MYTHIC	Rare drop from Riftstalker Bloodfiend.
	Jerry 3D Glasses	Jerry Pet	LEGENDARY	MYTHIC	Rare drop from Jerry Boxes.
	Pure Mithril Gem	Mithril Golem Pet	LEGENDARY	MYTHIC	Rare drop from Diamond Goblins.
	Rat Jetpack	Rat Pet	LEGENDARY	MYTHIC	Sold for 50,000,000 coins in the ⏣ Regalia Room.
	Fake Neuroscience Degree	Spider Pet	LEGENDARY	MYTHIC	Sold for 5,000 Motes,  10x Volt Crux and  10x Shadow Crux from Neuroscientist Kat.
		Tarantula Pet
	Magic Top Hat	Snowman Pet	LEGENDARY	MYTHIC	Sold for  10x Volcanic Rocks and 500 North Stars from Einary.

Trivia

• Some EPIC pets can be upgraded to MYTHIC rarity using their respective pet upgrade when Tierboosted to LEGENDARY.^[Confirm]
• Although  Eerie Treat and  Eerie Toy are considered Pet Items, when given to the  Eerie Pet they do not get equipped or consumed.
• The  Eerie Pet is the only pet to upgrade rarity using Pet Items (excluding  Tier Boost).
  • Previously, the  Bat Pet and  Jerry Pet used to be upgraded to MYTHIC with their exclusive Pet Items.

History

SkyBlock Prototype
May 31, 2021	0.11.5	Added  Enderman Cortex Rewriter.
May 5, 2022		Added  Radioactive Vial.
Aug 18, 2022	0.14	Added  Rat Jetpack.
Oct 19, 2022	0.16	Added  Mixed Mite Gel.
Apr 18, 2023	0.18.3	Changed  Jerry 3D Glasses and  Vampire Fang from Pet Items to Pet Upgrades.
June 20, 2023	0.19	Added  Fake Neuroscience Degree and  Guardian Lucky Block.
Oct 24, 2023	0.19.6	Added  Pure Mithril Gem,  Black Woolen Yarn,  Eerie Treat and  Eerie Toy.
Nov 28, 2023	0.19.8	Added  Magic Top Hat.