Merrow: Angrier Mermaids

Wait, didn’t we just do this?

Lore: Aquatic Servants of the Demon Prince

Merrow are savage hunters that will eat just about anything edible, from fishermen to merfolk. Long ago, they were themselves merfolk, but that all changed when one tribe found an idol of a Demogorgon. All in the tribe touched it and went mad, then performed a ritual to open a gateway towards the Demogorgon’s domain. They remained there for generations, eventually becoming the savage merrow.

The Prince of Demons often sends them to the Material Plane to essentially bully those on the ocean. Anyone or anything smaller and weaker than them is a target. They’ll fill their undersea caverns with trophies taken from these victims, then tie the rotting corpses of their dead foes to mark their territory.

This is some pretty versatile lore! Maybe the party comes across a merrow domain in an underwater adventure and have to rescue some fishermen or a cute aquatic creature. Perhaps they’ve pissed off the Demogorgon and he sends the merrow to assault them on the sea. You could put them together with the merfolk to create a war between pure and corrupted fish people. It isn’t whole campaign worthy, but it can serve as a nice spice to one or as a cool side quest.

Design: A Familiar Song and Dance

I feel like we’ve been here before, have we been here before?

Before reading the lore, I really wasn’t much a fan of this design. “Oh, look. Another fish person. If only we hadn’t just done that!”

At its core, that’s what it is. But the lore does make it a bit more interesting. The fact that it looks like the merfolk, just darker, angrier, and more evil is the whole point. And in that regard, the artists absolutely nailed this design.

Is it creative or interesting? No, not on its own. But it does a great job of communicating the lore behind the design. So at least it has that going for it.

Stats: Merfolk, but… More

Well, this is disappointing.

This is as basic a low-level enemy as you can get. Neither its HP nor AC are all that high, it has no special abilities, and all of its melee attacks are really simple. The most interesting thing these guys have is that they can pull enemies closer to them with the harpoon.

That’s it. It’s another slugfest monster. Boring.


Overall, this is a fairly weak monster. Its lore is decent and its design, while unoriginal, does fit it well. If it had an interesting fight attached to it all, it would have climbed a bit higher. As it stands, though, it won’t go all that high at all.

With all that in mind, let’s put the Merrow on the Best of the Bestiary!

  1. Beholder
  2. Death Tyrant
  3. Dragon Turtle
  4. Green Dragons
  5. Red Dragons
  6. Blue Dragons
  7. Black Dragons
  8. White Dragons
  9. Silver Dragons
  10. Couatl
  11. Behir
  12. Aboleth
  13. Sea Hag
  14. Lamia
  15. Bronze Dragons
  16. Brass Dragons
  17. Copper Dragons
  18. Gold Dragons
  19. Chuul
  20. Kuo-Toa
  21. Gibbering Mouther
  22. Kraken
  23. Intellect Devourer
  24. Chimera
  25. Death Knight
  26. Fomorian
  27. Bone Devil
  28. Dracolich
  29. Faerie Dragon
  30. Lich
  31. Magmin
  32. Kobold
  33. Kenku
  34. Hobgoblins
  35. Night Hag
  36. Green Hag
  37. Ankheg
  38. Hook Horror
  39. Storm Giant
  40. Hill Giant
  41. Empyrean
  42. Efreeti
  43. Grimlock
  44. Dao
  45. Cloud Giant
  46. Manticore
  47. Drow (all four of ’em)
  48. Shadow Demon
  49. Marilith
  50. Drider
  51. Aarackockra
  52. Azer
  53. Demilich
  54. Spectator
  55. Hydra
  56. Marid
  57. Harpy
  58. Werejackal
  59. Half-Dragon
  60. Cambion
  61. Fire Giant
  62. Animated Armor
  63. Banshee
  64. Basilisk
  65. Yochlol
  66. Bulette
  67. Cloaker
  68. Darkmantle
  69. Doppelganger
  70. Ghoul and Ghast
  71. Ettin
  72. Medusa
  73. Pit Fiend
  74. Erinyes
  75. Chain Devil
  76. Bearded Devil
  77. Barbed Devil
  78. Spined Devil
  79. Ice Devil
  80. Djinni
  81. Merrow <——————–
  82. Nalfeshnee
  83. Glabrezu
  84. Chasme
  85. Grell
  86. Barlgura
  87. Horned Devil
  88. Balor
  89. Shadow Dragon
  90. Werebear
  91. Lizardfolk
  92. Vrock
  93. Dretch
  94. Gnolls (all three)
  95. Goristro
  96. Hezrou
  97. Manes
  98. Frost Giant
  99. Weretiger
  100. Werewolf
  101. Duergar
  102. Quasit
  103. Dryad
  104. Flumph
  105. Goblin
  106. Wereboar
  107. Wererat
  108. Githyanki
  109. Planetar
  110. Imp
  111. Clay Golem
  112. Flameskull
  113. Displacer Beast
  114. Carrion Crawler
  115. Githzerai
  116. Grick
  117. Invisible Stalker
  118. Rug of Smothering
  119. Bugbear Chief
  120. Bugbear
  121. Flesh Golem
  122. Vine Blight
  123. Twig Blight
  124. Needle Blight
  125. Mephits (all six of ’em)
  126. Bullywug
  127. Hellhound
  128. Ettercap
  129. Gas Spore
  130. Cockatrice
  131. Lemure
  132. Homonculus
  133. Merfolk
  134. Solar
  135. Deva
  136. Gorgon
  137. Hippogriff
  138. Griffon
  139. Cyclops
  140. Centaur
  141. Ghost
  142. Fire Elemental
  143. Water Elemental
  144. Air Elemental
  145. Stone Giant
  146. Deep Gnome
  147. Dinosaurs (All six of them)
  148. Iron Golem
  149. Stone Golem
  150. Earth Elemental
  151. Galeb Duhr
  152. Helmed Horror
  153. Flying Sword
  154. Crawling Claw
  155. Violet Fungus
  156. Shrieker
  157. Gargoyle

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