Altar of the MoonBiome
Altar of the Moon is a top floor of Shadow Tower. Accessible at power rank 900 (Normal Difficulty), power rank 2500 (Hard Difficulty) and power rank 10000 (Ultra Difficulty). 
Daughter of the Moon boss is found here. Defeat her to obtain [item=item/crafting/moonsoul] and [item=item/crafting/divinesoul] unique resources, as well as usual [item=item/crafting/shadowshard] and [item=item/lootbox/shadow].
Altar of the Moon Items
All items from the database which match the themes Lunar.
Decoration
placeable/deco/blockchain_moon
placeable/deco/geodehub_cratesteel_lunarium
placeable/deco/geodehub_cratesteel_moonstone
placeable/deco/geodehub_pottedplant_moonlitmoss
placeable/deco/geodehub_sealedplant_moonlitmoss
placeable/deco/trophy_boss_luna
placeable/deco/trophy_fish_moonfish_basic
placeable/deco/trophy_fish_moonfish_gold
placeable/deco/trophy_fish_moonfish_silver
placeable/deco/trophy_pvp_lunarlancer
placeable/deco/undead_poster_bloodmoon
Geode Mining Block
placeable/block/lunarium
placeable/block/moonstone
Crafting
Dragon
Gem
Lootbox
item/lootbox/costumebox_moonsilver
Mount
item/mount/butterfly_lunar
item/mount/dragon_moonsilver
item/mount/dragon_moonsilver_notrade
item/mount/recliner_lunar
item/mount/sugarglider_moon
Plantseed
item/plantseed/biome_geodecaves_moongrass
Recipe
item/recipe/placeable_deco_death_poster_bloodmoon
Skin
item/skin/adventurer_moonsilver
item/skin/barbarian_moonsilver
item/skin/chloromancer_moonsilver
item/skin/dinotamer_moonsilver
item/skin/dracolyte_moonsilver
item/skin/fae_trickster_moonsilver
item/skin/gunslinger_moonsilver
item/skin/icesage_moonsilver
item/skin/knight_moonsilver
item/skin/lunarlancer_dotm
item/skin/lunarlancer_monkeyking
item/skin/lunarlancer_moonsilver
item/skin/ninja_lunar
item/skin/ninja_moonsilver
item/skin/pirate_moonsilver
item/skin/shadowhunter_moonsilver
item/skin/spirittank_moonsilver
item/skin/tombraiser_moonsilver
Tome
item/tome/moonlitmoss_legendary