In Dead Cells, unlocking new biomes such as the Fractured Shrines and the Corrupted Prison is an essential aspect of your progression. Your ability to access these areas is closely tied to the choices you make throughout your runs, particularly in the mid-game and late-game phases.

General Mechanics of Unlocking New Biomes
Dead Cells features a structured map of interconnected biomes, where each run involves navigating through these areas in a seemingly linear but actually dynamic path. As players progress through the game and defeat various bosses, they unlock different routes that lead to new biomes. Some biomes, especially those introduced by recent DLCs, expand the diversity of areas available for exploration, enriching the gameplay experience.

Specifics for the Fractured Shrines and Corrupted Prison
1. Corrupted Prison:
– The Corrupted Prison is positioned as an alternate second biome, generally accessed after completing the Prison Depths, which serves as a mid-game challenge.
– To unlock the Corrupted Prison, players typically need to make a choice at the end of the Prison Depths, favoring the path that leads to the Corrupted Prison. The selection of this route will also influence the first boss you face, thus impacting subsequent gameplay decisions.

2. Fractured Shrines:
– As a late-game biome, the Fractured Shrines typically becomes accessible following the defeat of your first boss.
– The decisions made during your routes after this point will determine availability, necessitating a strategic approach towards biome selections in the mid to late game.

Biome Routing Decisions
– Early Game: Initial decisions, such as which direction to take after the Prisoner’s Quarters, set the tone for your run.
– Mid Game: Choices here become increasingly significant; opting for the Corrupted Prison instead of the traditional Prison Depths will sway the flow of your run and which bosses are encountered.
– Late Game: After defeating your first boss, the choices made continue to be critical for accessing end-game biomes like the Fractured Shrines, illustrating the interconnected nature of decisions in Dead Cells.

Utilizing Guides
To optimize your progression and ensure access to all biomes, including the newer ones introduced in DLCs like the Castlevania expansion, players often turn to detailed guides and biome routing maps. These resources can provide insights on which choices favor unlocking specific areas at each stage of the game, enhancing your overall gameplay experience.

Conclusion
In conclusion, unlocking the Fractured Shrines and the Corrupted Prison in Dead Cells hinges on your progression through defeating bosses and the paths chosen during your runs. Particularly, the Corrupted Prison is unlocked via strategic choices after the Prison Depths, while the Fractured Shrines become available later based on earlier decisions made throughout your run. To navigate these routes effectively, engaging with community guides can provide invaluable assistance.