Megaloceros Animal Companion: Help?

[Getsugaru]

I'm joining a new campaign as a Druid, and I need help with a new animal companion: a megaloceros. It is an animal from Frostburn, on page 117. Can someone help make animal companion stats for it?

[hamishspence]

Page 44 of Frostburn says it "counts as 7th level or higher companion".

So- apply the normal PHB Animal Companion rules- which say that you subtract 6 from the druids level for determining the abilities of animal companions this powerful.