The material below is Open Game Content from a 3PP Source
Four-Armed Mudra Skeleton (CR ½; 200 XP)
NE Medium undead
Init +7; Senses darkvision 60 ft.; Perception +0
Defense
AC 15, touch 13, flat-footed 12
(+3 Dex, +2 natural)
hp 4 (1d8)
Fort +0, Ref +3, Will +2
DR 5/bludgeoning; Immune cold, undead traits
Offense
Speed 30 ft.
Melee short sword +1 (1d6+2/19–20), 3 short swords +1 (1d6+1/19–20) or 4 claws +3 (1d4+2)
Statistics
Str 15, Dex 16, Con —, Int —, Wis 10, Cha 10
Base Atk +0; CMB +2; CMD 15
Feats Improved InitiativeB, Multiweapon FightingB, Weapon FinesseB
^Gear 4 short swords
Sometimes called “whirlwind skeletons,” a mudra skeleton’s Dexterity increases by +4 (instead of +2), and it gains Multiweapon Fighting and Weapon Finesse as bonus feats.