All Dragons share the weakness of Dragon and the Majority have Ice also (Majority as Kingdra is an excluded because of it's Water second type). Better still alot of Dragon you will encounter as part of the main game (Elite 4's Lance) are x4 weakness to Ice as they are Dragon/Flying.
Always be weary though the use of Fire moves from such Dragons. Using a Dragon move from a Dragon can also have it's draw backs.
A dragon type's weakness is, believe it or not, is dragon type.
Ice and Dragon type moves.
It's only proper weakness is dragon type moves
Fire and Flying i think
Fire type weaknesses is water,rock,and ground,
A dragon type's weakness is, believe it or not, is dragon type.
fire type is weak against palkia it is a water and dragon type Pokemon
Dragon type moves are only strong against dragon type Pokemon.
Dragon and Ice and Fairy.
Ice and Dragon type moves.
dragon type Pokemon are weakend by ice and dragon type moves
It's only proper weakness is dragon type moves
Dragon-type Pokémon are weak to Ice, Fairy and Dragon-typed moves.
A Dark Dragon Pokemon takes double damage from Fighting, Ice, Bug and Dragon moves.
Turtonator is a Fire-Dragon type, and it was introduced in the Generation 7 games, Pokemon Sun and Pokemon Moon.
Fire and Flying i think
ICE AND DRAGON TYPE.BUT THE BEST IS ICE TYPE.TRUST ME!