Because Dragon knight has a passive skill that gives him bonus armor which makes slardar's ultimate skill useless.
A dragon type's weakness is, believe it or not, is dragon type.
Legendary dragon weakness is legend dragons
Gummys weakness is ice
dandelion dragon weakness is earth and ice dragons.
the weakness of coolfire dragon is water and electric
The Dragon Knight was created in 1990.
The duration of The Knight of the Dragon is 1.5 hours.
The Dragon Knight has 409 pages.
the weakness of gummy dragon is earth,ice and pure plant
Dragon and Ice.
earth dragon
its only weakness is dragon