Draconic Bloodline (catastrophic dragon)

Your innate magic comes from the magic of Catastrophic Dragons that was mingled with your blood or that of your ancestors. Sorcerers with this Origin trace their descent back to a mighty Sorcerer of ancient times who made a bargain with a catastrophic dragon or who might even have claimed one as a parent. 

Dragon Ancestor

At 1st level, you choose one type of dragon as your ancestor. The damage type associated with each dragon is used by features you gain later.

Draconic Ancestry

Dragon	Damage Type
Wildfire	Fire
Avalanche	Cold/bludgeoning
Blizzard	Cold/thunder
Earthquake	Bludgeoning/thunder
Tornado	Lightning/thunder
Typhoon	Cold/thunder
Volcanic	Fire/bludgeoning

You can speak, read, and write Draconic. Additionally, whenever you make a Charisma check when interacting with dragons, your proficiency bonus is doubled if it applies to the check.

Avalache

At 1st level, you choose one type of dragon as your ancestor. The damage type associated with each dragon is used by features you gain later.

Blizzard

At 1st level, you choose one type of dragon as your ancestor. The damage type associated with each dragon is used by features you gain later.

Earthquake

At 1st level, you choose one type of dragon as your ancestor. The damage type associated with each dragon is used by features you gain later.

Tornado

At 1st level, you choose one type of dragon as your ancestor. The damage type associated with each dragon is used by features you gain later.

Typhoon

At 1st level, you choose one type of dragon as your ancestor. The damage type associated with each dragon is used by features you gain later.

Volcanic

At 1st level, you choose one type of dragon as your ancestor. The damage type associated with each dragon is used by features you gain later.

Wildfire

At 1st level, you choose one type of dragon as your ancestor. The damage type associated with each dragon is used by features you gain later.

Draconic Resilience

As magic flows through your body, it causes physical traits of your dragon ancestors to emerge. At 1st level, your hit point maximum increases by 1 and increases by 1 again whenever you gain a level in this class.

Additionally, parts of your skin are covered by a thin sheen of dragon-like scales. When you aren’t wearing armor, your AC equals 13 + your Dexterity modifier.

Elemental chaos

Starting at 6th level, When you cast a spell that deals damage other than those with the damage affinity of your draconic ancestry, you deal half that damage rounded up as normal and the remainder +2, as your draconic damage type.
Whenever damage of your affinity type would deal damage to you roll a d20 + your dex modifier. On a roll of 1-4 you take the damage as normal. On a roll of 5-8 you take half the damage. On a roll of 9-12 you take half damage and redirect the rest of the damage to a target of your choice within 30 feet . On a roll of 13-19 redirect the damage to a target of your choice within 30 feet. On a roll of 20 the energy of the spell surges through you healing you for the damage amount. If you are healed to full health any extra damage is redirected to a target of your choice within 30 feet

Manifestation of Catastrophy

At 14th level, you gain the ability to use a bonus action to manifest an aspect of your draconic origin that lasts until you dismiss it as a bonus action on your turn.

Draconic Ancestry

DRAGON	Draconic manifestATion
Wildfire	Wings of flame. As long as your wings are manifested you have an aura of fire that casts light within 10 feet and dim light within 20 feet
Avalanche	Scales of ice +2 to AC. As long as your scales are manifested you can choose to dash instead of using your movement on your turn.
Blizzard	Wings of ice. As long as your wings are manifested you emit an aura of cold in a 15 foot cube centered on you that reduces the speed of other creature by 10 feet until they start a turn outside of the cube
Earthquake	Scales of stone +2 to AC. As long as your scales are manifested and you are standing on a natural surface you can choose to teleport to an unoccupied space you can see within 30 feet instead of using your movement on your turn.
Tornado	Wings of lightning. As long as your wings are manifested you can choose to dash instead of using your movement on your turn.
Typhoon	Wings of water. As long as your wings are manifested you gain a swim speed equal to your flight speed and can breath under water
Volcanic	Scales of fire +2 to AC. As long as your scales are manifested you gain an aura of fire that emits light within 10 feet and dim light within 20 feet

You can speak, read, and write Draconic. Additionally, whenever you make a Charisma check when interacting with dragons, your proficiency bonus is doubled if it applies to the check.

Avalanche Scales

Scales of ice +2 to AC. As long as your scales are manifested you can choose to dash instead of using your movement on your turn.

Earthquake Scales

Scales of stone +2 to AC. As long as your scales are manifested and you are standing on a natural surface you can choose to teleport to an unoccupied space you can see within 30 feet instead of using your movement on your turn.

Tornado Wings

Wings of lightning. As long as your wings are manifested you can choose to dash instead of using your movement on your turn.

Typhoon Wings

Wings of water. As long as your wings are manifested you gain a swim speed equal to your flight speed and can breath under water 

Volcanic Scales

Scales of fire +2 to AC. As long as your scales are manifested you gain an aura of fire that emits light within 10 feet and dim light within 20 feet

Wings of Blizzard

Wings of ice. As long as your wings are manifested you emit an aura of cold in a 15 foot cube centered on you that reduces the speed of other creature by 10 feet until they start a turn outside of the cube

Wings of Wildfire

Wings of flame. As long as your wings are manifested you have an aura of fire that casts light within 10 feet and dim light within 20 feet

Catastrophic presence

Begining at level 18. While your aspect is manifested you surge with magical energy creatures within 100 feet of you have disadvantage on saving throws on all spells of your affinity type. If your manifestation is wings you gain a movement speed of 10 feet. If your manifestation is scales you gain +1 to AC