Bethesda never patched it, WHY?! No seriously, I just did a little research of my own while messing with the creation kit. I **** you not, FIXING this bug is as ****ing simple as checking a check box.
I'm dead serious.
If you look at the spell info tab, there is a box to check for "disallow spell absorption/reflect". YEP, YOU GUESSED IT. It is left unchecked when it obviously should be checked. REALLY BETHESDA?!
I understand you can't patch every bug. I understand it's a big game. I know the painstaking process of Q & A. But this is utterly ridiculous. It does not require any mental thought to fix, it's literally checking a box for each spell. They could have remedied this(it took me like only 10 minutes to find and fix EVERY conjuration spell) for either Dawnguard(which ADDED more conjuration spells, and then a second chance at Dragonborn(which added more conjuration spells.) in addition to the numerous other patches they released. REALLY???!?!
I have never openly ranted about Bethesda in this regard... but THIS? REALLY?! You could not check a ****ing box?! This shouldn't even be a problem let alone a "bug". You guys forgot to check a CHECK BOX!
/endrant
Just thought I'd share this magnificent discovery I've made.
tl;dr: Spell absorption bug is fixed by checking a single box in the respective spell info tab for each conjuration spell.
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Discuss.