A very important spell for getting blood incarnates and blood totems, usually I use this before the battle starts to set up a blood pool for blood for my summoners.

Otherwise, the only reliable way to get blood is the elf's flesh sacrifice.

Where is the blood coming from when you cast this spell?

....from a lacerated sky

You can get the book the moment you enter Fort Joy. Have 2 points in thievery, a lockpick, now go behind the archer on the left top of the main gate. You can pickpocket the keys to the gate from him. There are NO sightlines at the gate. You can walk up to the gate, go into sneak mode, open the door and snake up the ladder to Orviland's chambers. Pick the lock. You're in. Teleport to a Waystation immediately after to exit.

The spell now sets bleeding available for 3 turns. Cooldown is 5 turns

Discard the post, I read it wron,g, Read either instead of neither...do I feel dumb...