Celestial Behemoth
Large immortal beast (mount)

HP your bloodied value; Healing Surges none, but you can spend a healing surge for the steed if an effect allows it to spend one
Defenses your defenses + 2, not including any temporary bonuses or penalties; Resist 5 all
Speed 7

Heavy Impact (mount)

The behemoth’s rider gains a +4 power bonus to damage rolls with charge attacks, and any target hit by the rider’s charge attack falls prone.

Gore At-Will

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

Hit: 2d10 + your Charisma modifier damage, and the behemoth pushes the target 1 square. The behemoth can shift into the vacant square.

Trample Encounter

Effect: The behemoth moves up to its speed and can move through enemies’ spaces during the move. Each time the behemoth enters an enemy’s space for the first time during the move, it makes the following attack against that enemy.

Attack: Melee 0 (each enemy whose space the celestial behemoth enters); your level + 3 vs. Reflex

Hit: 4d8 + your Charisma modifier damage, and the behemoth pushes the target 1 square and the target falls prone.

Published in Dragon Magazine 393.