Yes I realized how great it is to have large quantities of blocks when I opened the Battle of 8 armies save and found the hundreds of concrete block. I thought slag to be useless until I saw this, amazing. Perhaps one soul will conjure 10 slade boulders, or 30 slade blocks.
Prisoner corruption will stay, so are summoning and upgrades. Both fire and sin upgrades will be brought back into one temple. Some upgrades will be merged into secrets to make them more desirable in front of pyromancy. I'll leave more precise customization to the wasps who seem to have a good start with that.
Using souls to twist looted equipment will also be upgraded with soul imbued materials, turning steel, mithril and bronze bars into upgraded versions. But that will wait to see what metals will be in the new MDF.
There will be rituals but less of them. I'm sure I will keep those that causes invaders to go crazy or break camp and rush inside, in any case, like upgrades, reactions that causes a global effect will all rest inside one temple, with categories for better reading.
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Heating the forges was a polyfill for cases you had no fuel, it was supposed to tire the succubus doing it so you were limited at how much bodies you could throw at it but it seems that the succubi are resisting the provided syndrome. It will be nerfed to 1 fuel per tired succubus.
Okay for making workshops requires magma however, and that will solve one issue I have with the planned workshops. Eerie glowing pits and peculiar chambers are chasms but you can place them on a ground and dig a level below. Those will require magma, and I'll give a relatively easy way to build a sort of magma well who will have the same tired effect then heating forges.
I still don't know how HFS will work out, I have a couple of leads that might involve grinding or building specific traps.