Continued:
Ceaseless Discharge = Done the long way, but easy enough to do. Red Tearstone from fall damage before the fight makes it less tedious.
Iron Golem = Took the damage for Red Tearstone to kill him in record time. But can anybody explain to me why the hell he didn't fall off the bridge, seems like I was damaging and hit him enough... :\
Sif = Just roll through everything and beat him like a dog, no shield or anything else needed. The awkward positioning the Reinforced Club swings put you in almost guarantee a eventual Red Tearstone activation.
Gwyndolin = Easy as always, have no idea why I got stuck with a needle for like the first time in forever, but otherwise like a glove. With Ring of Favor you can tank his large magic blast to get Red Tearstone activated and kill him in two meetings tops.