Hey there @jesterdayman! Welcome to the community! For runtime terrain generation and manipulation, you’re going to want to look into dynamic mesh generation or procedural mesh generation. Dynamic mesh generation is still considered beta, but is more modern and performant, use at your own discretion.
Disclaimer: One or more of these links are unaffiliated with Epic Games. Epic Games is not liable for anything that may occur outside of this Unreal Engine domain. Please exercise your best judgment when following links outside of the forums.
Dynamic mesh/Geomtry scripting resources:
Procedural mesh resources:
