Just started the first line of the Psijic order quests and they are really hard for my Stam Templar. Those big tarantula looking things that hurl the red circles give me a hard time. I died a lot but finally got to the last quest where I got the staff to get in the mind of the guy to fight the giant slug thing thats controling him. I go through the little circle in his mind and end up at the slug boss and I just cannot kill him. I have snipe, hail of arrows, shuffle along with the stabby stam templar spell. I have sword and board for more mitigation and a mix of 2 heavy, 5 medium. What am I doing wrong? I try to fight from distance and die. I try to fight close up to use the jabs and I die faster. My only heal is the templar heal as of now. I don't have vigor yet.