You’ll need a Venin Wyvern to go with those venin! I’ve done my best to match them up to what was described in Fourth Wing and Iron Flame. I had to make some judgement calls, as there is not always a lot of details. As more books are released in the series, I’m sure I’ll have some updates to make. I wanted to make sure they were a significant threat to the dragons, but still weak enough that they need allies to be dangerous for individual dragons. I’ll be working on some modifications to the mounted combat rules that will better reflect how it is depicted in the novels as well.

Venin Wyvern Stat Block

Venin Wyvern: Printable Version

Large construct, chaotic evil

Armor Class

18 (natural armor)

Hit Points

178 (17d10 + 85)


40 ft., climb 40 ft., fly 80 ft.

23 (+6)10 (+0)21 (+5)14 (+2)11 (+0)19 (+4)

Saving Throws

Dex +4, Con +9, Wis +4, Cha +8


Perception +8, Stealth +4

Damage Resistances



blindsight 30 ft., darkvision 120 ft., passive Perception 18



10 (5,900 XP)

Venin Bond. If the Venin that created this wyvern is killed, the wyvern dies immediately.


Multiattack. The wyvern makes three attacks: one with its bite and two with its claws.

Bite. Melee Weapon Attack: +10 to hit, reach 10 ft., one target. Hit: 17 (2d10 + 6) piercing damage plus 3 (1d6) fire damage.

Claw. Melee Weapon Attack: +10 to hit, reach 5 ft., one target. Hit: 13 (2d6 + 6) slashing damage.

Fire Breath (Recharge 5-6). The wyvern exhales fire in a 60-foot line that is 5 feet wide. Each creature in that area must make a DC 17 Dexterity saving throw, taking 56 (16d6) fire damage on a failed save, or half as much damage on a successful one.

Categories: Fourth Wing


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