here is a full list of things in the aether you can get them by in the game or by using single player commands

here is a list of SPC item numbers

(#)= Damage Value
nID VALUE| ITEM
n
n172 | Aerogel
n17256 | Victory Medals
n17257 | Keys------ Bronze (0)-----Silver (1)------Gold (2)
n17258 | Book of Lore-----Vol. 1 (0)----Vol. 2 (1)----- Vol. 3 (2)
n17260 | Blue Music Disc
n17285 | Iron Bubble
n17286 | Pig Slayer
n17287 | Vampire Blade
n17288 | Nature Staff
n17289 | Flaming Sword
n17290 | Holy Sword
n17291 | Lighting Sword
n17292 | Lighting Knife
n17293 | Gummie Swet----- Blue (0)----- Gold (1)
n17294 | Hammer of Notch
n17295 | Phoenix Bow
n17298 | Cloud Staff
n17299 | Life Shard
n17300 | Golden Feather
n17301 | Valkyrie Lance
n17308 | Shield of Repulsion
n17309 | Swet Cape
n17324 | Phoenix Gloves
n17325 | Phoenix Helmet
n17326 | Phoenix Chestplate
n17327 | Phoenix Leggings
n17328 | Phoenix Boots
n17329 | Obsidian Gloves
n17330 | Obsidian Chestplate
n17331 | Obsidian Helmet
n17332 | Obsidian Leggings
n17333 | Obsidian Boots
n17334 | Neptune Gloves
n17335 | Neptune Helmet
n17336 | Neptune Chestplate
n17337 | Neptune Leggings
n17338 | Neptune Boots
n17339 | Regeneration Stone
n17340 | Invisibility Cloak