Darkmantle

AC 11 HP 22 Speed 10', 30' fly
STR 16(+3) DEX 12(+1) CON 13(+1)
INT 2(-4) WIS 10(+0) CHA 5(-3)
Skills Athletics +5, Stealth +3
Senses Blindsight 60' (hearing) Pass Perception 10
Indistinguishable from cave formations when still
{1}{e}Crush +5, 5' reach, 1 target, 1d6+3 bludgeoning, grappled, darkmantle gains adv vs
target who can't breathe, opposed grapple escapes
{1}{e}Darkness 1/day, 15