rare n large construct mindless 

Perception +10; low-light vision

Skills Athletics +9 (+10 to Shove)

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

Items wooden maul

AC  20; Fort +10, Ref +10, Will +8

HP 45; Immunities bleed, death effects, disease, doomed

Critical Vulnerability As shieldbearer construct (page 40).

Ridden Construct As shieldbearer construct (page 40).

Hammer Block [R] Trigger An ally within the bramble champion's reach is targeted by an attack, and the bramble champion can see the attacker; Effect The bramble champion interposes with its hammer, giving the ally a +2 circumstance bonus to AC against the triggering attack.

Speed 20 feet

Melee [>] wooden maul +12 (nonlethal, reach 10 feet, shove), Damage 1d12+4 bludgeoning

Strength of Thousands #1: Kindled Magic, page 41.