Hey, thanks for your response, the game is like before pre-alpha at this stage, hopefully soon we will have some game play to show. The idea is basically that you mate monsters with monsters to make new monsters.
That's why it's called Brood
noun
1. a family of birds or other young animals produced at one hatching or birth.
"a brood of chicks"
synonyms: offspring, young, progeny, spawn; More informal a large family of children.
"she was brought up as part of a brood of eight"
synonyms: family, household, ménage, clan, tribe;
2.
(of a bird) sit on (eggs) to hatch them.
"the male pheasant-tailed jacana takes over once the eggs are laid and broods them"
synonyms: incubate, cover, hatch, sit on
"the male takes over once the eggs are laid and broods them"
(of a fish, frog, or invertebrate) hold (developing eggs) within the body.
adjective
adjective: brood
(of an animal) kept to be used for breeding.
"a brood mare"
Interesting side note:
It also means bread in my language LOLZ