Concept art released for Dota 2 heroes

Here are the current released pictures of Dota 2 heroes. These concept arts are taken from the Dota 2 homepage and confirmed by Valve as being official heroes.

First up is Drow Ranger, the badass hunter from WCIII returning with a vengeance and a new look.

Next up is the infamous BloodSeeker, eager to try his new weapons on an unsuspecting foe

The every elusive and mysterious morphling 

Finally, the hot and spicy Lina, ready to burst into flames. Get ready for her to redefine hot.