Imperial = High Hp and Def, High Atck, Less Speed
Draconic=High Attack, High Speed, Less hp and def
I would choose Tallum Heavy
Tallum Heavy= Enough Hp and def, High Atck, High Speed, combination of all stats ;)
For Dyes , you choose. You want speed? Increase Dex. You want Strength? Increase Str. You want Hp? Increase Con.