14 different types, for each species, there are at least 2 different heroes . the hero level is between 1 and 5.
2 more different hero with the same type species can give the team one buff positive or give enemy a buff negative.
Here is all species:
beast, demon, dragon, dwarf, element, elf, goblin, god, human, ogre, orc, naga, troll,undead,