New Monsters and HeroesFirst off HOTS introduces the Mummy Djinn Efreet and Ghoul monsters to play as and the Djinn Trapper Assassin Gypsy and Maharib Town Heroes to combat them
New HuntersHOTS introduces several new mechanics starting with new Hunters
The Yunfakh
They are fast and agile combatants and cannot be attacked at range
You need to get up close to defeat them
Also new tiles and new mechanics in form of Summoning are part of this Expansion