Also compare with Skeletal tomb guardian from DDXP
Skeletal Tomb Guardian, Level 10 Elite Brute
Medium Natural Animate (Undead)
Init +9; Senses darkvision; Perception +12
HP 112; Bloodied 56
AC 23; Fortitude 22 Reflex 23 Will 20
Speed 8
m Scimitar (Standard; at-will) * Weapon
+16 vs. AC; 1d8+6
M Twin Scimitars (Standard; at-will) * Weapon
Make two Scimitar attacks
M Bloodletting (Immediate, when an enemy becomes bloodied by a melee attack; at-will) * Weapon
A scimitar attack against that enemy
M Cascade of Steel (Standard; at-will) * Weapon
+16 vs. AC; 1d8+6 AND repeat. Maximum 4 attacks
M Looming Threat (Reaction, when an adjacent enemy shifts; at-will) * Weapon
A Scimitar attack against that enemy
M Sudden Riposte (Immediate, when an adjacent enemy misses with a melee attack; at-will) * Weapon
A scimitar attack against that enemy
Multiple Threats
Adjacent enemies are flanked
Str 12 (+6) Dex 22 (+11) Wis 14 (+7)
Con 16 (+8) Int 4 (+2) Cha 10 (+5)