There is often an issue with Razer Chroma software and Diablo.
Problem signature:
P1: Diablo III64.exe
P2: 2.6.7.64160
P3: 5dd49189
P4: RzChromaSDK64.dll_unloaded
Try the advice in the Blue pinned thread here Known Technical Support Issues - [Updated June 21, 2020!] - #2 by Zuvykree