About 100 attempts later, this is the result of me fighting the FIRST boss of the DLC on NG+3. I got some attempts in before work, so I wasn't streaming, and I was pretty rusty on my dodges, but hey, who cares how slick your dodges are if you die in the end anyways?
Attempt... 100'ish on NG+3:
Bloodborne: The Old Hunters (NG+3) - Ludwig Kill
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~3:30 fight
Also, a pretty funny moment happened while I was dying horribly. I land a hit to trigger phase 2 the instant he landed an instant kill attack on me (well, his attack power was greater than my HP).
Bloodborne Ludwig funny FAIL death
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I left the phase change cutscene in during this video if anyone is interested in seeing it. Pretty cool stuff.
Very good fight. Also... music is so great. Made it all worth the effort to win just listening to phase 2, even for a few seconds before I died.