This is the biggest technical hurdle. The official game is coded to run only on specific hardware. If you attempt to install a patched IPA on an unsupported iPad (e.g., an iPad Air 3rd generation), the app will simply not launch. As one user review notes: "I bought this game... but after purchasing and install it, I’m currently using ipad air 3gen.". A patched IPA will not magically bypass this core hardware requirement.
Divinity: Original Sin 2 on iOS is a if played on a capable device. It is a full-fledged AAA RPG in your pocket. divinity original sin 2 ipa patched
What and iOS version are you trying to use? This is the biggest technical hurdle