poison gland blood part?

[bobbo]

This happened to me, too.

Spoiler below!

As far as I know you'll unfortunately have to reload a save game in the torture chambers. There is one chamber about a rapist getting cut up. In the floor of that room you'll find a small hatch. Open it and use your glass jar on it - it's full of blood now. But you could also complete the game without making this potion to save Agrippa, you'll just don't be able to get one of the three endings then.

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well what do i do if i dont want to prepare the mix?

Spoiler below!

Just continue to put the orb together. If I remember correctly you'll find everything needed in the huge blueish hall where you had been ambushed by the two grunts before.