HotS is a MOBA (multiplayer online battle arena) that is fought in lanes from the defending side to the enemy side, with the goal of destroying the enemy team's core. The characters you can play are heroes and villains from Blizzard's universe: from Starcraft, Diablo, Warcraft, World of Warcraft, etc. Each hero has their unique set of skills. One of the heroes, Nova Terra from the Starcraft universe, has a holographic decoy (see situation).
Description (in English)
If Nova is on the opposing team, the sentiments will probably differ. -R