Look

Use JEI for Recipes

Requires GeckoLib

Items -

Lens - Dropped from Demon Eyes, used for craft.

Black Lens - Rare drop from Demon Eyes, used for craft.

Optic Staff - Usefull staff to create Minions Demon Eyes.

Goggles - Made of Lens and Iron, grants Luck when equiped (without enchanting)

0x33 Aviators - Made of Black Lens, grants Haste II when equiped.

Suspicious Looking Eye - Used to summon the Eye of Cthulhu.

Eye of Cthulhu Trophy - Just a nice looking item.

Eye of Cthulhu Shield - Like a normal shield with extra duration, when attack with it in main hand do a dash.

Crimson Tentacle - Dropped from Eye of Cthulhu, used for various recipes.

Iron Tentacle - Dropped from any of The Twins, used for various recipes.

Pair of Eyes - When right clicked summon Rez and Spaz.

Suspicious Grinning Eye - When right clicked summon the Suspicious Eye.

Mechanical Eye - Used to awake the Twins.

Crimson Seed - When right clicked in any block will convert It into Netherwart Block.

Lesser Healing Potion - When right clicked applies regeneration and adds a cooldown to use the next potion.

Entitys

Demon Eye - Spawns in the Nether, has 5 variations, when killed by a player will grant an advancement to the player. When dead will drop normally Lens, and rarely Black Lens.

Eye of Cthulhu - A boss entity that can be summoned using a Suspicious Looking Eye. When dead, will drop Spyglass, Diamond, Eye of Cthulhu Trophy and Lens. One of his attacks is summoning a horde of Demon Eyes. When attacked with less than 150 Health Points, it will change phase of boss, on its second phase it will has Strenght and Resistance applied constantly.

Summoned Demon Eye - Peaceful variant of Demon Eye.

Spaz and Rez - Two eyeballs that attacks all the enemies, when Rez dies drops a Pair of Eyes, that can be used to summon again Spaz and Rez.

Suspicious Eye - A eye like spaz and rez but alone, spawned from Suspicious Grinning Eye.

Spazmatism (The Twins) - A powerfull version of The Eye Of Cthulhu, when has less than 150 health points enters in phase 2, in this phase it has chance to fire Death Lasers.

Retinazer (The Twins) - A powerfull version of The Eye of Cthulhu, with less than 150 health points enters in phase 2, in this phase it has the chance to summon demon eyes.

Wandering Eye - A small eye that spawns in Plains and Sunflower Plains, when has less than 35 health, It changes into second phase.

Enchants

Optical - Has 4 levels. Only applied to Optic Staff. Every level adds a new summoned demon eye when right clicked with the optic staff.

Clean Glass - Has 2 levels. Applicable to Goggles. When applied level 1 enchant will replace the luck effect with Night Vision. When applied level 2, will add Luck and Night Vision.