By breeding two dragons that collectively contribute Red and Purple to the type pool. If a parent has the appropriate minor types, missing requirements may also be added to the pool, even if neither parent has the originally required types. Minor types that have been split from other minor types can also contribute their component types to the type pool.
DISCLAIMER: When attempting to breed the Titan Dragon, you may get other offspring instead. Check the Breeding Calculator to view all of the possible results of combining a particular pair of parents.
While the breeding time takes 32 hours, Breeding and Hatching will initially read "2 Days," until the time remaining is under 24 hours. To confirm the correct number of hours, check the initial gold cost when the dragon is first bred. If it is a Titan Dragon, the dragon will cost 32 to speed up.