The Great Dragon

Those who become warlocks to one of the Great Dragons take incredible risk for the reward of the ancient powers of Bahamut the Metallic, Tiamat the Chromatic, or Sardior the Gem.  These Draconic Patrons are worshipped and feared depending on who you ask.  Other pray that Sardior has blessed their mines to be bountiful of gems and diamonds.  Making a pact with one of these dragons grants unique benefits.

Draconic Patron

When you choose this patron at 1st level, you choose your Great Dragon patron; Bahamut the Metallic, Tiamat the Chromatic, or Sardior the Ruby.  Your choice dictates what benefits you receive at this level and when you gain levels in this subclass.

 

Bahamut

Bahamut’s Protection: You can use your reaction to impose disadvantage on an attack roll against another creature within 5ft of you.  You can use this feature a number of times equal to your proficiency bonus and regain all uses at the end of a short rest.

Sardior

Sardior’s Touch:  Any nonmagical weapon you hold becomes magical for the purposes of overcoming resistances and immunities.  This benefit lasts until you are no longer holding the weapon.

Tiamat

Tiamat’s Fury:  You learn the  Absorb Elements spell, and can cast it without expending a Warlock Pact slot, but can not absorb thunder damage when used in this way.  Once you have used this ability you can not do so again until you finish a short or long rest.

Gift of the Dragons

At 1st level the ancient dragons have found you worthy of their gifts and wish to test your skills further.  When you cast a Warlock cantrip that deals a damage type associated with your Draconic Patron, you can use your reaction to change that damage type to any other damage type associated with your Draconic Patron.

Expanded Spell List

1st-level Great Dragon feature

The Great Dragon lets you choose from an expanded list of spells when you learn a warlock spell. The Great Dragon Expanded Spells table shows the draconic spells that are added to the warlock spell list for you, along with the spells associated in the table with your specific Draconic Patron: Bahamut, Tiamat, or Sardior.

SPELL LEVEL	GREAT DRAGON SPELLS	BAHAMUT SPELLS	TIAMAT SPELLS	SARDIOR SPELLS
1st	bane	cure wounds	chromatic orb*	guiding bolt
2nd	dragon's breath*	warding bond	acid arrow	magic weapon
3rd	haste	lightning bolt	fireball	slow
4th	polymorph	freedom of movement	conjure minor elementals	phantasmal killer
5th	dominate person	flame strike	cone of cold	destructive wave*

 

*- manually add spells to spell list

Draconic Bravery

6th-level Great Dragon feature

Starting at 6th level you have advantage on saving throws against the frightened condition.  You also gain an additional benefit based on your Draconic Patron.

 

Draconic Bravery (Bahamut)

Shield of Bahamut:  When you use your reaction to impose disadvantage on an attack roll using your Bahamut's Protection trait, the creature targeted by the attack also gains temporary hit points equal to your Charisma modifier. 

Draconic Bravery (Sardior)

Sardior’s Enchantment:  Any nonmagical armor you wear becomes magical.  Any nonmagical weapon you hold now gains a +1 to attack and damage rolls in addition to becoming magical until you let go of the weapon.

Draconic Bravery (Tiamat)

Unbridled Rage of Tiamat:  When you cast Absorb Elements without expending a pact slot, the additional damage dealt on your next attack can be applied to a melee or ranged attack roll.  You can also change the additional damage dealt to any other damage type associated with your Draconic Patron.

Blood of the Ancient Dragons

10th-level Great Dragon feature

Starting at 10th level, you gain a feature based on your Draconic Patron.

 

Blood of the Ancient Dragons (Bahamut)

Roar of Bahamut:  You bolster your allies combat with your charismatic presence.  As an action, you unleash a mighty roar giving allies within 30ft of you advantage on attack rolls until the start of your next turn.  These creatures also have an advantage on saving throws against the frightened condition, and gain temporary hit points equal to your charisma modifier.  

Once you have used this feature you can not use it again until you have finished a long rest.

Blood of the Ancient Dragons (Sordiar)

Fractured Light of Sordiar:  You channel the inner light of the gem dragon to blind enemies around you.  As an action, choose any number of creatures within 30ft of you.  They must make a Constitution saving throw or be blinded until the end of your next turn.

Once you have used this feature you can not use it again until you have finished a long rest.

Blood of the Ancient Dragons (Tiamat)

Frightening Presence of Tiamat:  The evil dragon goddess instills fear in all who are in her presence.  As an action, all hostile creatures within 30ft of you must make a Wisdom saving throw.  On a failure, these creatures are frightened of you until the end of your next turn.

Once you have used this feature you can not use it again until you have finished a long rest.

Draconic Protection

14th-level Great Dragon feature

Starting at 14th level, at the end of a long rest, select a damage type associated with your Draconic Patron.  You gain resistance to this damage type until the end of your next long rest.  

During a short rest, you may change your resistance to another one associated with your Draconic Patron.  Once you have used this feature you cannot do so again until you have completed a long rest.

Dragon Soul

14th-level Great Dragon feature

Starting at 14th level you gain a final ability based on your Draconic Patron.

 

Dragon Soul (Bahamut)

Bravery of Bahamut.  You are immune to fear, and any time you give one or more allies temporary hit points from one of your abilities, you gain twice as many temporary hit points.

 

Dragon Soul (Sordair)

Gems of Sordiar.  Sordair doesn't wish to waste precious gems, and would rather the use of gold and platinum instead.  When you cast a spell or when a spell is cast only on you that requires gem or diamond components, and is consumed (such as revivify, greater restoration, or continual flame), you only need the required cost in gold or platinum pieces, not the gems themselves.  When you cast a spell that requires gem or diamond components that costs gold pieces and is consumed, the cost is halved.

Dragon Soul (Tiamat)

Five Heads of Tiamat.  You gain proficiency in Perception and you can add double your proficiency bonus when you make checks with this skill.  Starting at 17th level, when you cast a Warlock cantrip, you can roll one additional damage die.  This die’s damage type is chosen by you, but must be associated with Tiamat.