Whelp, 359.00 crashed twice in under 24 hours. Once in Wanderer's Palace (Hard) at first boss. The next in Private Chambers after a half hour or so of RP. Time to test 358.91.

361.43: *DirectX Error*
359.06: *DirectX Error*
359.00: *DirectX Error*
358.91: ???
358.87: ???
358.50: ???
355.98: Works!