It showed up as my first event again xD
This time I had a nice woad (dark harvest)+haunted synergy though so it was pretty helpful.
The damage is climbing more slowly, instead of 1-2-3-4-5-6-7-8-9-10-11... (increasing one each time), it seemed to be something like 1-1-1-1-1-2-2-2-2-2-3...