From Pathfinder Society Scenario #5-12: Mischief in the Maze, which isn't enabled.

Topiary Beast

CREATURE 1

UNCOMMON LARGE CONSTRUCT PLANT

Perception +7; low-light vision

Skills Athletics +7, Intimidation +7, Stealth +6 (+8 in forests)

Str +3, Dex +3, Con +4, Int -4, Wis +0, Cha +1

AC 16; Fort +10, Ref +7, Will +4

HP 20; Weaknesses fire 2; Resistances piercing 3

Attack of Opportunity (Cobra Form Only)

Trigger A creature within the monster's reach uses a manipulate action or a move action, makes a ranged attack, or leaves a square during a move action it's using.

Effect The monster attempts a melee Strike against the triggering creature. If the attack is a critical hit and the trigger was a manipulate action, the monster disrupts that action. This Strike doesn't count toward the monster's multiple attack penalty, and its multiple attack penalty doesn't apply to this Strike.

Ferocity (Boar Form Only)

Trigger The monster is reduced to 0 HP.

Effect The monster avoids being knocked out and remains at 1 HP, but its Wounded value increases by 1. When it is Wounded 3, it can no longer use this ability

Speed 25 feet

Melee Branch +9, Damage 1d6+2 piercing

Functional Form

Depending on the creature it resembles, the topiary beast gains additional abilities.

Ape The branch Strike is agile, has reach 10 feet, and deals bludgeoning damage instead of piercing damage.

Boar The topiary beast gains the Ferocity reaction.

Cobra The beast gains the Attack of Opportunity reaction.

Intimidating Display

When using Intimidation to Demoralize a target, a topiary beast doesn't take a penalty for not speaking the same language as the target.

Pathfinder Society Scenario #5-12: Mischief in the MazeOGL