▁in ▁Dragon ▁# 7 5 ▁( 1 9 8 3 ). ▁T iam at ' s ▁role ▁in ▁the ▁outer ▁plan es ▁is ▁detailed ▁in ▁the ▁first ▁edition ▁Man ual ▁of ▁the ▁Plan es ▁( 1 9 8 7 ). ▁ ▁In ▁module ▁H 4 ▁The ▁Th r one ▁of ▁Blood stone ▁( 1 9 8 8 ), ▁Bah am ut ▁tells ▁the ▁player ▁characters ▁that ▁the ▁W and ▁of ▁Or cus ▁can ▁only ▁be ▁destroyed ▁if ▁it ▁is ▁" ste ep ed ▁in ▁the ▁black ▁and ▁f oul ▁blood ▁from ▁the ▁heart ▁of ▁T iam at , ▁the ▁Queen ▁of ▁Dark ness ", ▁although ▁if ▁killed ▁T iam at ▁and ▁the ▁wand ▁will ▁be ▁removed ▁from ▁the ▁current ▁plane ▁of ▁existence ▁for ▁centuries , ▁but ▁will ▁eventually ▁return ▁to ▁existence . ▁ ▁Advanced ▁Dun ge ons ▁& ▁Drag ons ▁ 2 nd ▁edition ▁T iam at ▁was ▁detailed ▁as ▁a ▁de ity ▁in ▁the ▁book ▁Mon ster ▁M yth ology ▁( 1 9 9 2 ), ▁including ▁details ▁about ▁her ▁priest hood . ▁T iam at ▁was ▁later ▁detailed ▁as ▁a ▁de ity ▁for ▁the ▁F org ot ten ▁Real ms ▁campaign ▁setting ▁in ▁the ▁original ▁Dra conom icon ▁( 1 9 9 0 ). ▁T iam at ▁is ▁also ▁described ▁in ▁Cult ▁of ▁the ▁Dragon ▁( 1 9 9 8 ). ▁Her ▁role ▁in ▁the ▁cosm ology ▁of ▁the ▁Plan escape ▁campaign ▁setting ▁was ▁described ▁in ▁On ▁Hall owed ▁Gr ound ▁( 1 9 9 6 ). ▁Several ▁dra con ic