The Monster Breeder – Rudimentary Guide to Species Complexes

The guide of which species are related, and can therefore be crossbred without the use of Crossbreed Potions.

Species Complexes List

Note: Credit goes to Eqqsquizitine Buble-Schwinslow

I’ve been experimenting with the breeding system, and found that some species/breeds can be readily interbred, which you may not initially be aware of without attempting it yourself.

For context, the various “complexes” described in this guide will all be able to interbreed with one another without the use of Crossbreed Potions.

The Wolfhound Complex

  • Hell Hound
  • Wolf
  • Dread Wolf

The Rat Complex

  • Water Rat
  • Spiny Rat
  • Battle Rat

The Bear Complex

  • Snow Bear
  • Black Bear

The Panther Complex

  • Panther
  • Swamp Panther

The Varanus Complex

  • Varanus
  • Dire Varanus
  • Black Varanus
  • Sea Varanus

The Ghyllow Complex

  • Ghyllow
  • Ghyllow Beast
  • Ryorodon

The Dragon Complex

  • Reaper Dragon
  • Swamp Dragon

The Hunterbug Complex

  • Hunterbug
  • Northern Hunterbug

The Red Velvet Spider Complex

  • Redleg Spider
  • Velvet Spider

The Worm Complex

  • Harvest Worm
  • Vampire Worm
  • Horid Worm
Jan Bonkoski
About Jan Bonkoski 954 Articles
Jan Bakowski aka Lazy Dice, was always interested in gaming and writing. His love of gaming began with The Legend of Zelda: Ocarina of Time (Nintendo 64) back in 1998. He’s been making game guides since 2012. Sharing his gaming experience with other players has become not only his hobby but also his job. In his free time, he plays on Steam Deck.

1 Comment

  1. I believe that there is only one final complex I need to add, and that is the surprising “Arachnid Crab Complex” which supposedly contains the Cave Arachnid and the Scavenger Crab, but I need to test it out myself because those Insectoids don’t really look anything alike and AFAIK they are never stated to be related in-game.

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