Underworld Series by Apollos Thorne

A thousand year old succubus has grown tired of devouring men. With the help of a lich lord, she invents a new spell that will allow her to grow more powerful in a much less distasteful manner. Elorion is just your average high school student lazing around during summer break and thinking about bacon. After a solid gaming session, he removes his VR headset to find a monster waiting to kidnap him. He wakes to find that he’s not alone. Nineteen other students have also been taken... moreA thousand year old succubus has grown tired of devouring men. With the help of a lich lord, she invents a new spell that will allow her to grow more powerful in a much less distasteful manner. Elorion is just your average high school student lazing around during summer break and thinking about bacon. After a solid gaming session, he removes his VR headset to find a monster waiting to kidnap him. He wakes to find that he’s not alone. Nineteen other students have also been taken. The last thing he expects happens next. He is given the ability to use magic and level up! There’s a catch. With his dormant talents unlocked he must grow in power to please his new master. To level up he must face the monsters of the Underworld. If he doesn’t fight he will die. But if he does fight, will he survive? Welcome to the Underworld! less

Surviving Lord Darius's attack put Elorion's level over the top. He must soon leave the Mistress's Labyrinth for the unknown dangers of the Underworld.There are three paths that stand before him. Should he absorb all the Blue Magic he can find, power level his fellow captives, or take on the bone palace alone?The Underworld is waiting...

After coming face to face with death, Elorion and company have found a dungeon to call their own. They’ve fought hard to earn a stint of peace, but Mistress Nava is still out there and her captain is now on the hunt. The impending arrival of the army of minotaurs will be the greatest threat they have faced thus far. With their new-found freedom comes a myriad of additional dangers... moreAfter coming face to face with death, Elorion and company have found a dungeon to call their own. They’ve fought hard to earn a stint of peace, but Mistress Nava is still out there and her captain is now on the hunt. The impending arrival of the army of minotaurs will be the greatest threat they have faced thus far. With their new-found freedom comes a myriad of additional dangers. They’re running low on food, the dungeon is in disrepair, and they must find new hunting grounds to continue growing in power. As their chosen leader, Elorion is faced with an impossible task. Will he weaponize their dungeon, develop his party’s strengths, or seek ancient power from the long-forgotten depths of the Underworld? less

Book 4 of the Underworld series!The minotaurs are dead. Mistress Nava is coming.Join Elorion as he searches for the power to face the impossible. But where should he look? Will he be able to save his friends, Aeris and himself?

After surviving Mistress Nava’s wrath, Elorion is banished from Sanctuary and everything he holds dear. He finds himself on an impossible quest to retrieve something from Lord Darius’s vault for the Head Mistress in hopes of bringing everyone back together.

Passing through the Vampire Gate, Elorion enters the true heart of the Underworld for the first time. The sooner he completes his mission, the sooner he and the girls can return home. The task is impossible at his current level, so he follows the lich down the only viable path. A path laden with bodies and blood.