Archer said:Those dice don't count towards skills/feats, that's why the windrider add feats separately from the hd.
Dragons could kill their rider 100% of the time.
12th level halfling could only have a juvenile silver dragon. At 13th level he could have young one. (18th level for adult)

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.