Emperor

Flight Allegiance: http://pastebin.com/wV63PKDP

Emperor Level 25 Solo Brute
Gargantuan magical beast (dragon, undead) XP 35,000
Initiative +20 Senses Perception +16; all-around vision
HP 2,000; Bloodied 1,000; see also bloodied breath
AC 38; Fortitude 37, Reflex 35, Will 32
Resist; see Flight Allegiance & Born of Many
Weak; Radiant 10
Speed 10, fly 10 (hover)
Action Points 2

Saving Throws +5; whenever an attack applies a effect to an Emperor that a save can end, it immediately makes a saving throw. The Emperor makes saving throws at the end of each of its turns as normal.

Born of Many
Every Emperor is created by combining at between 2 and 11 Imperial dragons. To find the Emperor's Breath Weapons, Resistances, and any other traits, select a Flight Allegiance for each head. The Emperor gains the traits of each flight chosen.

Many-Headed
Each time the Emperor becomes dazed or stunned, it loses one attack on its next turn instead. Multiple such effects stack.

Bite (standard; at-will)
Reach 3; +22 vs. AC; 4d8 + 9 damage.

Furious Lash (standard; encounter) *Charm
Reach 4; +25 vs. AC; 5d12 + 9 damage, and the Emperor makes a secondary attack against the same target. Secondary Attack: +22 vs. Will; the target is dominated (save ends).

Emperor’s Fury (standard; at-will)
The Emperor makes as many bite attacks as it has heads. It cannot attack a single target more than twice per round.

Chromatic Breath
*See Flight Allegiance; the Emperor has a breath attack for each head it has, up to 11.

Bloodied Breath (free, when first bloodied; encounter)
The Emperor's breath weapons recharge.

Frightful Majesty (minor; encounter) * Fear
Close burst 10; targets enemies; +25 vs. Will; the target is stunned until the end of the Emperors next turn. Aftereffect: The target takes a –2 penalty to attack rolls (save ends).