Cemu

When in a menu or during a battle, the graphics (generally the character portraits and the HUD) will begin flashing rapidly, and will not go away until certain in-game dialogue disappears, or if you pause the game and go into a sub-menu, like the 'Current Status' sub-menu. This happens seemingly at random and fairly often, but is potentially dangerous to epileptics such as myself, as the flashing is very fast.
*NOTE, please do not view the attached .gif files if you are an epileptic.