Fighting garuda and she disappears after aerial blast and doesn't show again until the fight is over.

Fighting titan and getting hit by a landslide that didn't register on my screen because everything froze I n place for 10 sec then all caught up at once.

Running to fates in coerthas only to stand there and wait for the invisible enemies to show.

Going to odin or behemoth and getting one shotted by the invisible enemy.

Killing a boss in coil only to have game freeze and need to force restart and have to run 5-10 minute file check for exiting improperly and maybe corrupting files to come back and log in town losing any shot at armor.