Originally Posted by RivianWitch
Yes, diamond dust on your weapon, and as many potions as you can quickly get in, -start with Swallow, Blizzard and/or Tawny owl if you have time. Do the ritual of power before you enter the cave where Abigail is.

I actually tried doing Swallow, Blizzard and Tawny Owl. It's not possible to do all 3 at the same time, at least not at that point in the game. It pushed my toxicity level too high.

I haven't discovered any diamond dust yet.