That's how it's always worked, according to the devs looking through the code. https://forums.beamdog.com/discussion/comment/370098#Comment_370098<blockquote (View Post)

The display is formatted as such: (1d20 roll) + (luck + modifiers) = (result) You will hit, excluding critical hits/misses, if: (result) >= (Base THAC0 - Target AC) "Luck" is your cumula… (View Post)

Bug report filed: Resurrection spells should not remove temporary abilities from living targets. @Del If you are still in need of a work-around: Either through Keeper: Add one memorized copy of spell… (View Post)

8 Rep still carries a penalty. The trap is an alarm, but it only works if there's someone around to report it and summon the guards, you can safely trigger it at night when their are no NPCs around. … (View Post)

It's a bug, it was reported and acknowledged a while back: Contingency/Sequencer Spell selection does not scroll, 12th+ spells per level cannot be selected. (View Post)