The marked one - The Marked One (The Marked Series Book 1) by Chevoque

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Strelok chooses the latter and is forced to fight his way through still more elite Monolith troopers while teleporting from one area to another at the top of the old plant.

Bosses on the other hand, offer unique challenges such as swarming you with enemies, or summoning a weapon to make you rethink your strategy.

After being rescued by the secret faction, , a standalone mercenary, is forced to track down his group, eventually learning of his existence after searching Strelok's hideout in the.