I really enjoyed the original Grenth event. It was challenging enough that even experienced participants died on occasion from the Shades and ice. I feel it already did a fine job of keeping people on their toes, and I feel that it suited the Grenth type of style well.
However, I say differently about the new Grenth event. I honestly feel that the new whirling vacuum clouds indeed are quite overpowered, and probably too large. I also don’t see exactly how they tie into Grenth and his character. When you think of Grenth, you think of darkness, extreme cold, and condition damage… Never have I thought to relate falling damage or whirling clouds of dust with him… If any god, I would probably relate those to Melandru, since they have more of an earthy type theme.