Wash # = hp for pb?

Left Pianus is the only one I can think of that faces right, but I digress...

Why? I don't understand how attacking it from two sides interrupts anything. What if everyone attacks from the right? Does that make it work? Why or why not?

Attacking it from two sides causes its aggrevation to flip and seems to reset the pattern. I don't know why it happens, all I know is that it does. I also don't know about attacking from the right, though there's not really much reason to do that since ariel casts poison mist there. Oh and left pianus is actually defined to face "left" in the data, it's just the image that depicts it to appear facing right. Monsters actually can't use area warning attacks while facing right (easily observed in oblivion guardians).