+31 units

The entire new 7th faction, along with additions to existing ones.

+3 heroes

Nixyra from the underworld, a hero of a new faction

Elegrom, a dwarf and a demon, takes the best from both 

Drago Heroes - a mighty pack of powerful, but mortal heroes (more mortal than any other units in the game)

+3 boss fights

Eye Tyrant

Orc and Goblin family

Drago Heroes - because every hero is a villain, is the end