HP from 100%-20% took us like 2-3hrs.
It has instant cast of blizzaga 3, can't be stunned.
Then we had to deal with ice day which Jormgrand hits 4x as hard.It's HP bounce around 20-25% for 1hr.
From 20%-10% took us 4-5hrs, then Jorm go rampage, resist sleep, and SP every 2-3 mins. SP= bloodweapon
Then you see, we died after 10 hrs fighting.
Moreover, there were some snow bombs which could kill a whole allience, pops at camp. It was a tough fight. we tried 3 times, and the picture i post was the closest we got.