Rebirth of Challenger

After being summoned by the tower Sam spent thousands of years trying to reach the top 100th floor. But with his low foundation and without appropriate knowledge he gets betrayed again and again. But with his cockroach like life he manages to survive. Noticing his short coming on his strength he gathers power by any necessary means and proper knowledge. He spend enormous amount of time gathering info about surviving, hidden secrets, hidden loot, perfect score on every floor even every sub class jobs were mastered by him thinking it will be helpful for him. After not even counting how many years passed he reaches the 91st floor. The domain of gods and demons. But what he expected didn’t turned his way. In the area 9 he was treated even worse than a ant. The strength difference between them was enormous. After spend another who knows how many years after countless scheme’s against the gods and demons he finally managed to obtain a good position. Finally one day he manages to climb above the 100th floor. But again because of his weakness’ he was treated worse than an ant. The strength difference was to huge that his cockroach like life finally ended. But Sam made preparations if he died. Because of having an enormous knowledge he had already made an insurance plan. Luckily the plan worked and he managed to get reincarnated back in time. This time he will hoard everything that can be obtained and raise even top of the top.