Removed all broken / unstable items from Terra Arts:
ankh charm and ankh shield: kicks you from the server with internal server error and you can't join back when you have a bad potion effect like poison/weakness/etc
shiny red balloon: doesnt work, should increase jump height
fluffy boots: doesn't work on singleplayer or multiplayer, should be a combination of rocket boots and hermes boots effects
cloud/blizzard/sandstorm in a bottle: doesnt work, should allow double jump
cloud/blizzard/sandstorm in a balloon: doesnt work, should increase jump height and allow double jump with increased jump height too
angel wings: doesnt work, should allow flight for 3.4 seconds
water walking boots: works but very very bad and inconsistent lava walking boots: works but very very bad and inconsistent will drop you into the lava / water randomly and sometime will make you float high above it
diving gear: doesnt increase breathing time
jellyfish diving gear: works but doesnt increase breathing time also crashes on newer versions of dummycore(not important but noteworthy)
lava stone: doesn't work
ice skates: doesnt work(not important)
rocket boots: destroy your fps when you jump even with particles turned off. also they stop working after relogging
//NOTE: The attached Dummycore (v1.12) is the only version that doesn't crash when wearing the flippers