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System Reference Document 5.2.1
Fire Breath (Recharge 5–6). Dexterity Saving Throw: 
DC 21, each creature in a 60-foot Cone. Failure: 59 
(17d6) Fire damage. Success: Half damage.
Spellcasting. The dragon casts one of the following 
spells, requiring no Material components and using 
Charisma as the spellcasting ability (spell save DC 20, 
+12 to hit with spell attacks):
At Will: Command (level 2 version), Detect Magic, 
Scorching Ray
1/Day: Fireball
Legendary Actions
Legendary Action Uses: 3 (4 in Lair). Immediately after 
another creature’s turn, the dragon can expend a use to 
take one of the following actions. The dragon regains all 
expended uses at the start of each of its turns.
Commanding Presence. The dragon uses Spellcasting 
to cast Command (level 2 version). The dragon can’t 
take this action again until the start of its next turn.
Fiery Rays. The dragon uses Spellcasting to cast Scorch-
ing Ray. The dragon can’t take this action again until the 
start of its next turn.
Pounce. The dragon moves up to half its Speed, and it 
makes one Rend attack.
Ancient Red Dragon
Gargantuan Dragon (Chromatic), Chaotic Evil
AC 22 Initiative +14 (24)
HP 507 (26d20 + 234)
Speed 40 ft., Climb 40 ft., Fly 80 ft.
MOD SAVE MOD SAVE MOD SAVE
Str 30 +10 +10 Dex 10 +0 +7 Con 29 +9 +9
Int 18 +4 +4 WIS 15 +2 +9 Cha 27 +8 +8
Skills Perception +16, Stealth +7
Immunities Fire
Senses Blindsight 60 ft., Darkvision 120 ft.; 
Passive Perception 26
Languages Common, Draconic
CR 24 (XP 62,000, or 75,000 in lair; PB +7)
Traits
Legendary Resistance (4/Day, or 5/Day in Lair). If 
the dragon fails a saving throw, it can choose to suc-
ceed instead.
Actions
Multiattack. The dragon makes three Rend attacks. It 
can replace one attack with a use of Spellcasting to cast 
Scorching Ray (level 3 version).
Rend. Melee Attack Roll: +17 , reach 15 ft. Hit: 19 (2d8 
+ 10) Slashing damage plus 10 (3d6) Fire damage.
Fire Breath (Recharge 5–6). Dexterity Saving Throw: 
DC 24, each creature in a 90-foot Cone. Failure: 91 
(26d6) Fire damage. Success: Half damage.
Spellcasting. The dragon casts one of the following 
spells, requiring no Material components and using 
Charisma as the spellcasting ability (spell save DC 23, 
+15 to hit with spell attacks):
At Will: Command (level 2 version), Detect Magic, 
Scorching Ray (level 3 version)
1/Day Each: Fireball (level 6 version), Scrying
Legendary Actions
Legendary Action Uses: 3 (4 in Lair). Immediately after 
another creature’s turn, the dragon can expend a use to 
take one of the following actions. The dragon regains all 
expended uses at the start of each of its turns.
Commanding Presence. The dragon uses Spellcasting 
to cast Command (level 2 version). The dragon can’t 
take this action again until the start of its next turn.
Fiery Rays. The dragon uses Spellcasting to cast Scorch-
ing Ray (level 3 version). The dragon can’t take this ac-
tion again until the start of its next turn.
Pounce. The dragon moves up to half its Speed, and it 
makes one Rend attack.
Remorhaz
Remorhaz
Huge Monstrosity, Unaligned
AC 17  Initiative +5 (15)
HP 195 (17d12 + 85)
Speed 40 ft., Burrow 30 ft.
MOD SAVE MOD SAVE MOD SAVE
Str 24 +7 +7 Dex 13 +1 +1 Con 21 +5 +5
Int 4 −3 −3 WIS 10 +0 +0 Cha 5 −3 −3
Immunities Cold, Fire
Senses Darkvision 60 ft., Tremorsense 60 ft.; 
Passive Perception 10
Languages None
CR 11 (XP 7 ,200; PB +4)
Traits
Heat Aura. At the end of each of the remorhaz’s turns, 
each creature in a 5-foot Emanation originating from 
the remorhaz takes 16 (3d10) Fire damage.
Actions
Bite. Melee Attack Roll: +11, reach 10 ft. Hit: 18 (2d10 
+ 7) Piercing damage plus 14 (4d6) Fire damage. If the 
target is a Large or smaller creature, it has the Grappled 
condition (escape DC 17), and it has the Restrained 
condition until the grapple ends.
Bonus Actions
Swallow. Strength Saving Throw: DC 19, one Large or 
smaller creature Grappled by the remorhaz (it can have 
up to two creatures swallowed at a time). Failure: The 
target is swallowed by the remorhaz, and the Grappled 
condition ends. A swallowed creature has the Blinded 