Have you ever thought that endermites are kind of useless? This addon gives endermites a use by letting them transform into shulkers for an easy shulker farm as well as providing a use for crying obsidian.
Please check out this video for more information on this addon and the ad free download.
Useless Mob
Endermites can be spawned in using enderpearls and have very little uses
Useless Block
After spawning in your endermite get it to walk on a block of crying obsidian.
Transformation
After the endermite is on the crying obsidian it will begin to transform into a black shulker.
Black Shulker
After the transformation is done you should get a black shulker to spawn in. This allows shulkers to be farmable for shulker boxes.
