Silver-Dragon Slayer

you wear abandon and trained by a dragon they teach you in the way of there element. you get to make weapons shot beams and fly with the power the dragon has taught you. 

dragon force

Starting when you choose this tradition at 3rd level, you can eat the element related to you dragon, you  become immune to cold, resistant to lightning , and weak to fire. Your attacks made with your element negates Resistances and immunity's become resistance.

when a cold spell is with in 30 feet of you you can eat it a gain ki up to half the spells level cantrips count as 1 ki and you cant eat touch spells. you cant eat your own ice you make.

when you are on a non flying veihical your fell sick you must make a con save of (15) to be able to fight but all attacks have disadvantage.

Dragon sense

At 6th level, you become more dragon lick gaining strong scales and sharper eyes you gain 2 ac and plus 5 to initiative you gain mastery of perception and 10 feet of movement.

you gain a dragon egg ( 40 health  and ac of 25) of the dragon that trained you.

Draconic wings

By 11th level, you have learned to become more like you master gaining wings, giving the user the ability to fly at the same speed they can walk at, the wings protrude right out of your back destroying any clothing that is not made for them

dragon born

you dragon egg hatches in to a wyrmling dragon of the color you wear trained by

dragon form

At 17th level, your roar gains extra power you can call on once per long rest to deal 20d20 of the element of your dragon that trained you, the targets in range must make a don saving throw, if made they take half damage, if fail they take full damage and are pushed back 20 feet. for 10 minutes you gain 5 ac and ability cost 0 ki. the dm desides when you use this or he can let you use it if he so chooses.