Ink Dye Fantasy Tower

When Xu Ranmo, who had lost his memory, woke up, he found himself in a deserted place. There were dilapidated buildings, gloomy underground cities, ferocious beasts and zombies, standing in fear in this dangerous neighborhood. There is a huge tower in the distance. If you want to get a chance to escape from here, you can only enter this tower, pass through the challenges, reach the top of the tower, use the ink blade in your hand as a key, and open the door to leave here...