Spirits of Abaddon Series by Mychael Black

Jesse doesn’t like vampires, and he purposely avoids Gabriel whenever he can. But he can’t deny the attraction he feels for the man, either.When Jesse witnesses a murder, he finds himself on the run -- caught in a deadly cat and mouse game. With Jason and Julian on vacation in Greece, Jesse’s only choice is to turn to the one man he’s been trying to ignore.

Jesse Eldridge and Gabriel Walsh have their work cut out for them the moment they step foot into Gabriel's home world of Abaddon. With the elemental ice mage Lazarus and his demon lover Semoriel, they uncover the unthinkable: a plot to overthrow the throne of Abaddon itself. When they discover what has become of the archdemon Ba'al, treason and betrayal soon rear their ugly heads. One of the four isn't quite who he seems, and it's going to change everyone's life when the truth comes out.

With his lovers Gabriel and Lazarus, Jesse Eldridge traverses the shadowy realm of Abaddon, a world of demons and gods, in pursuit of Hiil, the rogue god of a neighboring world. Hiil fully intends on bringing all of Abaddon to its knees, but he doesn't realize that Gabriel has a secret weapon in the coming war: Jesse. As a vampire/elemental crossbreed, Jesse possesses powers surpassing those of both his lovers... moreWith his lovers Gabriel and Lazarus, Jesse Eldridge traverses the shadowy realm of Abaddon, a world of demons and gods, in pursuit of Hiil, the rogue god of a neighboring world. Hiil fully intends on bringing all of Abaddon to its knees, but he doesn't realize that Gabriel has a secret weapon in the coming war: Jesse. As a vampire/elemental crossbreed, Jesse possesses powers surpassing those of both his lovers. There's little time for him to come into his full abilities, however, and it's going to take a miracle if he and his lovers are to survive. less

Time has run out for Jesse, Gabriel and Lazarus. With the rogue archdemon Hiil and his vast army marching for Abaddon from a neighboring world, Gabriel is forced to make a decision that may mean the death of one of his lovers. As an elemental, Lazarus once sought control of Ba'al's lands. Things have changed, but if Ba'al returns, the ice mage's word may not be enough to keep him from the archdemon's wrath.