Arachne

Arachne is a boss spawned in the Spider's den. She has and can be summoned with 4 Arachne's Keeper Fragments, similar to Dragon fights. This can be done at an altar made of endstone and sandstone located at -282 49 -178. She can summon cobwebs and Arachne's broods, which have. Her drops include Soul Strings, Arachne Fragments, Dark Queens Soul Drop and Tarantula Pets. Mage weapons do not work against her, like other bosses excluding the Turantula Broodfather.