Skeletal warrior

"This creature appears to be nothing but a set of animated bones. Pinpoints of red light smolder in its empty eye sockets."

Skeleton warriors are animate skeletons garbed in chain shirts and a sword. They are essentially undead infantry.

Traits[]

Undead 3
Usually neutral evil
Abilities: STR 13, DEX 13, CON 10, INT 1, WIS 10, CHA 1
Hit Points: 21 out of 18
Saves: Fortitide 1, Reflex 2, Will 3
AC: 20
AB: +2
Damage:
- 1d6+1 slashing, critical 18-20/x2 (scimitar)
Unarmed damage:
- 1d4+1 slashing/piercing, critical 20/x2 (claw)
- 1d4+1 slashing/piercing, critical 20/x2 (claw)
Feats: Darkvision, Weapon Proficiency (creature), Weapon Proficiency (simple), Weapon Proficiency (martial), Improved Initiative, Armor Proficiency (light), Armor Proficiency (medium), Armor Proficiency (heavy), Shield Proficiency
Damage reduction 5/Bludgeoning
Immunity to disease, critical hits, death magic, level/ability drain, mind-affecting spells, paralysis, poison, sneak attacks, cold damage
CR 1

Just like other skeletons, skeletal warrior has no skill ranks.
Spawns with current HP above the maximum.
Before patch 1.22 this skeleton could be summoned with Animate Dead/The Dead Walk at caster level 10+.

A stronger version can be summoned with Animate Dead ot The Dead Walk:

Undead 5
Neutral evil
Abilities: STR 16, DEX 16, CON 10, INT 10, WIS 10, CHA 1
Hit Points: 60
Saves: Fortitide 1, Reflex 4, Will 4
AC: 22
AB: +5
Damage:
- 2d4+4 slashing, critical 20/x4 (scythe)
Feats: Darkvision, Weapon Proficiency (creature), Weapon Proficiency (simple), Weapon Proficiency (martial), Improved Initiative, Armor Proficiency (light), Armor Proficiency (medium), Armor Proficiency (heavy), Shield Proficiency
Damage reduction 5/Bludgeoning
Immunity to disease, critical hits, death magic, level/ability drain, mind-affecting spells, paralysis, poison, sneak attacks, cold damage
CR 5

This version still has Weapon Proficiency (creature) but no natural weapon(s) to make use of it.