Duodrone Balancer
Medium immortal animate (modron)
Summoned Creature

HP your bloodied value; Healing Surges none, but you can spend a healing surge for the balancer if an effect allows it to spend one
Defenses your defenses, not including any temporary bonuses or penalties
Speed land 5 , fly 5 (clumsy)

Implacable

An enemy cannot enter the balancer’s space by any means.

Remove Outlier At-Will

Attack: Melee 1 (one creature); your level + 5 vs. AC

Hit: 2d6 + your level damage, and the target cannot score critical hits until the end of your next turn.

Probabilistic Understanding Recharge when an enemy within 10 squares of the balancer scores a critical hit

Trigger: The balancer’s summoner makes a d20 roll.

Effect (Free Action): The summoner treats the triggering roll as though he or she rolled a 10.

Impose Order At-Will

Trigger: An enemy willingly leaves a square adjacent to the balancer without shifting or teleporting.

Effect (Opportunity Action): The balancer uses remove outlier against the triggering enemy.

Published in Dragon Magazine 414.