Searching for a is a classic example of being "penny wise and pound foolish." The risk of infecting your system with ransomware or having your gaming accounts compromised far outweighs the cost of a monthly subscription.
Software cracks are the primary delivery method for malware. When you download an executable file claiming to be a "patch" or "crack" for LagoFast, you are blindly executing code on your system.
Instead of risking your PC and personal data, consider the legitimate ways to access the service. LagoFast is generally affordable, and the developers offer several ways to use it for free or at a discount.
Downloading a "crack" or "repack" from an unverified source exposes your system to several dangers: