Niche 1.0 1993-11-14 [MNCWT round 1] scan, other
Leech 1.2 1993-04-23 [Scott Adkins' warrior library] vamp, stun, clear
Leech 1.3 1993-04-23 [Scott Adkins' warrior library] scan, vamp, stun, clear, stone
Spider 2.0 1992-06-19 [post] other, stun, clear
Spider 1.1 1992-05-27 [post] other, stun, clear
Shoggoth 1.1 1992-05-06 [post] other
Leech 1991-12-06 [post] vamp, stun
Dwarf (modern version) (A. K. Dewdney, Bill Shubert) 1991-12-04 [post (initial KotH announcement)] stone