Holy Hell the knockback. Do not fight this without being on a mount: You are close enough that it will literally throw you right over the edge of that cliff. It did it to me.
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"Some claim they wish to be enlightened or wish to experience Zen. This is an absurdity, you do not 'become' enlightened or 'experience' Zen. If you wish to be enlightened, BE." - Unknown
There are 4 that can spawn to the right of the Valley Zone line. I just killed this mob twice and both times the PH was a grazing braxi and nothing else
EZ fight. Has a stun and knockback. Apparently summmons any braxi in the grove if in proximity but we dragged him to pit where we were camped and had no adds. Dropped Embellished Wrist Wraps and the 2hder.
Edit, that first mob was a static braxi. I've also seen it wandering on the lest side of the path from valley, so it's PH might be any braxi on the left side. Never seen him on right side of that path, tho.