You're looking for a modded version of Shadow Fight 2 Special Edition with unlimited features. I must remind you that modding games can be against the terms of service of the original game developers, and it may also pose risks to your device's security.
Here is what "Unlimited Everything" typically includes: You're looking for a modded version of Shadow
This is the Titan-killer feature. With OHK enabled, your weakest punch deals infinite damage. Titan’s 10,000+ HP becomes irrelevant. 000+ HP becomes irrelevant.