ce medium humanoid xulgath 

Perception +21; darkvision

Languages Draconic, Undercommon

Skills Acrobatics +21, Athletics +22, Dinosaur Lore +16, Intimidation +18, Nature +21 (+23 to Command an Animal), Survival +19

Str +5 Dex +4 Con +3 Int -1 Wis +4 Cha +1

Items +1 striking halberd, hide armor, javelins (6)

AC  31; Fort +22, Ref +23, Will +19

HP 195

Hasty Sacrifice [R] (concentrate, move) Prerequisites The roughrider is mounted; Trigger The roughrider is targeted with an attack from a creature they can see; Effect The roughrider's mount becomes the target of the attack instead. The roughrider must succeed at a DC 5 flat check or they fall off their mount and land prone. If the check is a critical failure, the roughrider also takes 1d6 bludgeoning damage in addition to the normal damage from the fall.

Powerful Stench (aura, olfactory) 30 feet. As xulgath herd-tender (page 10), but DC 30.

Speed 30 feet

Melee [>] halberd +24 (magical, reach, versatile s), Damage 2d10+11 piercing

Melee [>] jaws +23, Damage 2d8+11 piercing

Melee [>] claw +23 (agile), Damage 2d6+11 slashing

Ranged [>] javelin +22 (thrown 30 feet), Damage 1d6+11 piercing

Feral Directive [>>] As xulgath herd-tender (page 10).

Mounted Superiority A mounted roughrider's Strikes deal an additional 1d10 damage to creatures that aren't mounted.

Extinction Curse #4: Siege of the Dinosaurs, page 23.