StartupEvents.modifyCreativeTab("iceandfire:items", e => {
  e.add([
    'dreadsteel:dreadsteel_ingot',
    'dreadsteel:kit_default',
    'dreadsteel:kit_white',
    'dreadsteel:kit_black',
    'dreadsteel:kit_bronze',
  ])
  e.remove([
    "iceandfire:dragonsteel_fire_sword",
    "iceandfire:dragonsteel_fire_pickaxe",
    "iceandfire:dragonsteel_fire_axe",
    "iceandfire:dragonsteel_fire_shovel",
    "iceandfire:dragonsteel_fire_hoe",
    "iceandfire:dragonsteel_ice_pickaxe",
    "iceandfire:dragonsteel_ice_sword",
    "iceandfire:dragonsteel_ice_axe",
    "iceandfire:dragonsteel_ice_shovel",
    "iceandfire:dragonsteel_ice_hoe",
    "iceandfire:dragonsteel_lightning_sword",
    "iceandfire:dragonsteel_lightning_pickaxe",
    "iceandfire:dragonsteel_lightning_axe",
    "iceandfire:dragonsteel_lightning_shovel",
    "iceandfire:dragonsteel_lightning_hoe",
    "iceandfire:copper_axe",
    "iceandfire:copper_hoe",
    "iceandfire:copper_pickaxe",
    "iceandfire:copper_shovel",
    "iceandfire:copper_sword",
    "iceandfire:armor_copper_metal_boots",
    "iceandfire:armor_copper_metal_chestplate",
    "iceandfire:armor_copper_metal_helmet",
    "iceandfire:armor_copper_metal_leggings",
  ])
})