Wyvern

Winged, two-legged, dragon-like monsters with a long tail tipped with a venomous stinger. Dwell in any terrain, but favour cliffs and forests.

AC3 [16], HD7* (31hp),
Att 1 × bite (2d8), 1 × sting (1d6 + poison), THACO 13 [+6],
MV 90’ (30’) / 240’ (80’) flying, SV D10 W11 P12 B13 S14 (4),
ML 9, AL Chaotic, XP 850, NA 1d2 (1d6), TT E

• Poison: Causes death (save vs poison).

Source: Classic Fantasy