From Pathfinder Society Scenario #1-18: Lodge of the Living God, which isn't enabled.

Skeletal Mount

CREATURE 2

LARGE EVIL MINDLESS SKELETON UNDEAD UNHOLY

Perception +8; darkvision

Skills Acrobatics +7, Athletics +9

Str +5, Dex +3, Con +2, Int -5, Wis +2, Cha +0

AC 16; Fort +6, Ref +9, Will +8

HP 33, void healing; Immunities bleed, death effects, disease, paralyzed, poison, unconscious; Resistances cold 5, electricity 5, fire 5, piercing 5, slashing 5

Explosive Death

When the skeleton is destroyed, its bones shatter and explode as the necromantic energy holding it together is released.

Adjacent creatures take 2d6 slashing damage with a DC 13 basic Reflex save.

Void Healing

A creature with void healing draws health from void energy rather than vitality energy. It is damaged by vitality damage and is not healed by vitality healing effects. It does not take void damage, and it is healed by void effects that heal undead.

Speed 40 feet

Melee Hoof +9, Damage 1d8+5 bludgeoning

Gallop

The mount Strides twice, with its Speed increased by 10 feet.

Undead Steed

Undead and creatures allied with them can Command a skeletal mount without needing to attempt a skill check.

Pathfinder Society Scenario #1-18: Lodge of the Living GodOGL