The Immortal. Kings of the Underworld, #5

The Immortal is a dark, addictive mafia thriller that plunges readers deep into the heart of organized crime, where loyalty is rare, vengeance is sacred, and survival is never guaranteed. Feared by enemies. Revered by allies. Unstoppable to everyone else. Ruslan isn't just the leader of the Russian mafia-he's a legend. Known as The Immortal for surviving countless assassination attempts, he rules the criminal underworld with ice-cold precision and an iron will.
Ruthless, brilliant, and always one move ahead, his name alone is enough to silence a room. But even legends bleed. Beneath the power and prestige lies a burning vendetta. Years ago, Ruslan's entire family was wiped out in a brutal act of betrayal. Now, after decades of bloodshed and dominance, only one name remains on his kill list. What he didn't anticipate was the return of the one enemy capable of shaking his empire-and threatening the one thing he still holds dear.
In a world where trust is a death sentence and every move is a game of chess, The Immortal must face his final opponent. One mistake, and the myth ends. Permanently.