Based on the Razorbat King from the Monsternomicon 2. The Razorbat King is an exceptionally large bat, easily the size of a man. It has a long, whip like tail with razor sharp barbs that it employs in combat. See the Monsternomicon 2 for a full description.
Razorbat King
Level 2 Skirmisher
Medium Natural Beast (125 XP)
Initiative: 6
Senses Perception +7; blindsight
HP 38; Bloodied 19
AC 16; Fortitude 14, Reflex 15, Will 14
Speed 4, fly 8; see also flyby attack
Bite (standard; at-will)
+7 vs AC; 1d6+3 damage; see also filth fever
Tail Slash (standard; encounter): +5 vs Ref; 3d6+3 damage and ongoing 3 damage (save ends).
Flyby Attack (standard; at-will): The Razorbat King flies up to 8 squares and makes one melee basic attack at any point during that movement. It does not provoke opportunity attacks when moving away from the target of the attack.
Filth Fever: See the Dire Rat; MM219
Alignment Unaligned
Languages -
Skills Stealth +5
Str: 14 (+3) Dex: 17 (+3) Wis: 12 (+2)
Con: 13 (+2) Int: 2 (-3) Cha: 8 (+0)