You can't play D&D without some bad guys, and Tiamat is the crown of baddies. It's one of those legendary creatures in the D&D world what you never run into unless you're in your Epic levels -- and even then you'll have a tough time killing it's 5 heads.

This particular Tiamat comes in 2 flavors -- a 450 point version and 650 point version. If he looks tough enough to kill your entire team in just a couple turns, then I've done my job; Tiamat is one of the most dangerous dragons out there.

His Her standard powers are pretty impressive -- Flurry, Energy Explosion, Pulse Wave, Incapacitate, Poison, Blades/Claws/Fangs, and a bunch of other stuff that can kill you.

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What you really need to worry about is his her Five Headed Attack, letting him her potentially hit 5 different characters in one go. As if that wasn't enough, you can't Outwit her Impervious or other defensive powers -- and she has 2 stop clicks just-in-case. Make no mistake, Tiamat will kill you -- and we Dungeon Masters prefer it that way!

From wikipedia: Dungeons & Dragons (abbreviated as D&D or DnD) is a fantasy tabletop role-playing game (RPG) originally designed by Gary Gygax and Dave Arneson, and first published in 1974 by Tactical Studies Rules, Inc. (TSR). The game has been published by Wizards of the Coast since 1997.