Dire (3.5e Template)
From D&D Wiki
The Dire template is a template variant of dire animals that already exist. They are generally tougher, more ferocious and more cunning and prevalent in battle.
Creating a Dire Animal
Dire is an inherited template that can be added to any animal.
Size and Type
Creature's size increases by one category.
If base creature's speed is 30 ft. or over, there is no change. If the base creature's speed is less than 30 ft, add 15 ft. to the base creature's base land speed to a maximum of 30 ft. All other movement speeds, such as fly, climb or burrow are unchanged.
Double that of base creature (minimum 1).