Magma Dragon

Medium Dragon, Chaotic
AC: 18
HP: 93 (11d8+44)
Speed 30 ft., burrow 30 ft., climb 30 ft., fly 60 ft.

STR: 20 (+5)
DEX: 12 (+1)
CON: 18 (+4)
INT: 14 (+2)
WIS: 12 (+1)
CHA: 16 (+3)

Saves: DEX +4, CON +6, WIS +4, CHA +5
Skills: Deception +5, Perception +4, Stealth +4
Damage Vulnerabilities: Cold
Damage Resistances: Non-magical Slashing and Piercing
Damage Immunites: Fire, Bludgeoning
Condition Immunities: Charmed
Senses: Blindsight 10 ft., Darkvision 120 ft., Passive Perception 14
Languages: Dovah Zul, Tamrielic, Akaviri, Aldmeri
Challenge: 5 (1,800 XP)

Proficiency Bonus +3

Actions

Bite. Melee Weapon Attack: +8 to hit, reach 5 ft., one creature. Hit: 11 (1d12+5) piercing damage plus 4 (1d8) fire damage.

Lava Breath (Recharge 5-6). The dragon exhales molten lava and chunks of igneous rock in a 15-foot cone. Each creature in that area must make a DC 14 Dexterity saving throw, taking 14 (4d6) fire damage and 14 (4d6) bludgeoning damage on a failed save, or half as much damage on a successful one. Fire damage dealt by the dragon's breath bypasses fire resistance, but not immunity. 

Large Dragon, Chaotic
AC: 19
HP: 207 (18d10+108)
Speed 40 ft., burrow 40 ft., climb 40 ft., fly 80 ft.

STR: 24 (+7)
DEX: 12 (+1)
CON: 22 (+6)
INT: 16 (+3)
WIS: 16 (+3)
CHA: 20 (+5)

Saves: DEX +5, CON +12, WIS +7, CHA +9
Skills: Deception +9, Perception +5, Stealth +5
Damage Vulnerabilities: cold
Damage Resistances: non-magical slashing and piercing
Damage Immunities: fire, bludgeoning
Condition Immunities: charmed
Senses: blindsight 30 ft., darkvision 240 ft., passive perception 17
Languages: Dovah Zul, Tamrielic, Akaviri, Aldmeri
Challenge: 11 (7,200 XP)

Proficiency Bonus: +4

Actions

Multiattack. The dragon makes three attacks, one with its bite and two with its claws.

Bite. Melee Weapon Attack: +11 to hit, reach 10 ft., one creature. Hit: 20 (2d12+7) piercing damage plus 4 (1d8) fire damage.

Claws. Melee Weapon Attack: +11 to hit, reach 5 ft., one creature. Hit: 16 (2d8+7) slashing damage.

Lava Breath (Recharge 5-6). The dragon exhales molten lava and chunks of igneous rock in a 30-foot cone. Each creature in the area must make a DC 18 Dexterity saving throw, taking 32 (9d6) fire damage and 31 (9d6) bludgeoning damage on a failed save, or half as much damage on a successful one. Fire damage dealt by the dragon's breath bypasses fire resistance, but not immunity.

Huge Dragon, Chaotic
AC: 20
HP: 290 (20d12+160)
Speed 40 ft., burrow 40 ft., climb 40 ft., fly 80 ft.

STR: 28 (+9)
DEX: 12 (+1)
CON: 26 (+8)
INT: 18 (+4)
WIS: 17 (+3)
CHA: 22 (+6)

Saves: DEX +7, CON +14, WIS +9, CHA +12
Skills: Deception +12, Perception +7, Stealth +7
Damage Vulnerabilities: cold
Damage Resistances: non-magical slashing and piercing
Damage Immunities: fire, bludgeoning
Condition Immunities: charmed
Senses: blindsight 60 ft., darkvision 240 ft., passive perception 19
Languages: Dovah Zul, Tamrielic, Akaviri, Aldmeri
Challenge: 18 (20,000 XP)

Proficiency Bonus: +6

Actions

Multiattack. The dragon can use its Frightful Presence. It then makes three attacks: one with its bite and two with its claws.

Bite. Melee Weapon Attack: +15 to hit, reach 10 ft., one creature. Hit: 22 (2d12+9) piercing damage plus 9 (2d8) fire damage.

Claws. Melee Weapon Attack: +15 to hit, reach 5 ft., one creature. Hit: 18 (2d8+9) slashing damage.

Tail. Melee Weapon Attack: +15 to hit, reach 15 ft., one creature. Hit: 20 (2d10+9) bludgeoning damage.

Frightful Presence. Each creature of the dragon's choice that is within 120 ft. of the dragon and aware of it must succeed on a DC 20 Wisdom saving throw or become frightened for 1 minute. A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. If a creature's saving throw is successful or the effect ends for it, the creature is immune to the dragon's Frightful Presence for the next 24 hours.

Lava Breath (Recharge 5-6). The dragon exhales molten lava and chunks of igneous rock in a 30-foot cone. Each creature in the area must make a DC 20 Dexterity saving throw, taking 35 (10d6) fire damage and 35 (10d6) bludgeoning damage on a failed save, or half as much damage on a successful one. Fire damage dealt by the dragon's breath bypasses fire resistance, but not immunity.

Colossal Dragon, Chaotic
AC: 23
HP: 575 (30d20+300)
Speed 40 ft., burrow 40 ft., climb 40 ft., fly 80 ft.

STR: 30 (+10)
DEX: 14 (+2)
CON: 30 (+10)
INT: 20 (+5)
WIS: 18 (+4)
CHA: 24 (+8)

Saves: DEX +10, CON +20, WIS +12, CHA +16
Skills: Deception +16, Perception +12, Stealth +10
Damage Vulnerabilities: cold
Damage Resistances: non-magical slashing and piercing
Damage Immunities: fire, bludgeoning
Condition Immunities: charmed
Senses: blindsight 60 ft., darkvision 240 ft., passive perception 22
Languages: Dovah Zul, Tamrielic, Akaviri, Aldmeri
Challenge: 25 (75,000 XP)

Proficiency Bonus: +8

Actions

Multiattack. The dragon can use its Frightful Presence. It then makes three attacks: one with its bite and two with its claws.

Bite. Melee Weapon Attack: +18 to hit, reach 10 ft., one creature. Hit: 23 (2d12+10) piercing damage plus 18 (4d8) fire damage.

Claws. Melee Weapon Attack: +18 to hit, reach 5 ft., one creature. Hit: 19 (2d8+10) slashing damage.

Tail. Melee Weapon Attack: +18 to hit, reach 15 ft., one creature. Hit: 21 (2d10+10) bludgeoning damage.

Frightful Presence. Each creature of the dragon's choice that is within 120 ft. of the dragon and aware of it must succeed on a DC 22 Wisdom saving throw or become frightened for 1 minute. A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. If a creature's saving throw is successful or the effect ends for it, the creature is immune to the dragon's Frightful Presence for the next 24 hours.

Lava Breath (Recharge 5-6). The dragon exhales molten lava and chunks of igneous rock in a 30-foot cone. Each creature in the area must make a DC 25 Dexterity saving throw, taking 49 (14d6) fire damage and 49 (14d6) bludgeoning damage on a failed save, or half as much damage on a successful one. Fire damage dealt by the dragon's breath bypasses fire resistance, but not immunity.