Streamer Species in Harmony | World Anvil


Streamers are huge six-legged beasts best known for traversing big rivers up- and downstreams with relative ease. The joints of their middle legs are capable of locking themselves, making them able to withstand massive currents and flashfloods. Their docile nature has made them ideal for taming, and it is now common in some places to use streamers for dragging ships up rivers.

The kingdom of Gorlovoye relies heavily on streamers to transport goods along the river Sygyt, from the ocean to its capital. Some Reaver forts receive most of their arms and munitions by streamer transport.

Streamer CR: 15

Huge beast, unaligned
Armor Class: 16
Hit Points: 230 (20d12+100)
Speed: 40 ft , swim: 40 ft


30 +10


14 +2


20 +5


3 -4


12 +1


6 -2

Saving Throws: Strength +15; Dexterity +7; Constitution +7
Senses: passive Perception 11
Challenge Rating: 15

Against the Stream. The Streamer is able to traverse through any body of water without impeding its movement. Additionally the streamer can hold its breath for up to 48 hours.

Docile Beast. Wisdom (Animal Handling) checks against the Streamer are made with advantage, as long as it is not enraged.

Enraged. When the Streamer takes 20 or more damage in a single turn, it becomes Enraged for 1 minute. While Enraged, it gains the following benefits:

  • The Streamer gains resistance to bludgeoning, piercing, and slashing damage.
  • The Streamer deals an additional 5 (1d10) bludgeoning damage (included in the attack).
  • The Streamer gains use of its Thunderous Charge attack.
A creature can use its action to make a DC 16 Wisdom (Animal Handling) check to subdue the Streamer and end Enraged.

Locked Legs. The Streamer has advantage on any ability checks or saving throws against being moved against its will.


Multiattack. The Streamer makes one gore attack and two stomp attacks.

Gore. Melee Weapon Attack: +15 to hit, reach 10 ft., one target. Hit 26 (3d10 + 10) piercing damage, or 32 (4d10 + 10) piercing damage if Enraged, and the creature is pushed 10 feet away from the Streamer.

Stomp. Melee Weapon Attack: +15 to hit, reach 5 ft., one target. Hit 22 (2d10 + 10) bludgeoning damage, or 26 (3d10 + 10) bludgeoning damage if Enraged, and the creature must succeed on a DC 18 Dexterity throw or be knocked prone.

Thunderous Stampede (Enraged Only; Recharge 5-6). The Streamer moves up to its movement. If the Streamer enters the space of a creature during this movement for the first time on a turn, the creature must make a DC 20 Dexterity saving throw, taking 28 (5d10) bludgeoning and 28 (5d10) thunder damage on a failed save, or half as much on a successful one.

~ 30 years
Geographic Distribution

Cover image: by Tagla92


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