The game crashes if you try to open the Powers part of the Journal while in Nina's vision during the shadow dungeon part of the vision quest. The part with the Feathered Fiend.
I would take a screenshot of the error message, but it was too large to fit the screen, so I'm copy-pasting it instead:
value@https://www.fenoxo.com/play/CoC2/release/307.cde3088cafcf3d462c92.js:1:99187 value@https://www.fenoxo.com/play/CoC2/release/307.cde3088cafcf3d462c92.js:1:101753 Di@https://www.fenoxo.com/play/CoC2/release/manifest.a73cac15dac81b2820a5.js:2:7978755 Ni@https://www.fenoxo.com/play/CoC2/release/manifest.a73cac15dac81b2820a5.js:2:7978550 As@https://www.fenoxo.com/play/CoC2/release/manifest.a73cac15dac81b2820a5.js:2:8013957 cl@https://www.fenoxo.com/play/CoC2/release/manifest.a73cac15dac81b2820a5.js:2:8005434 ll@https://www.fenoxo.com/play/CoC2/release/manifest.a73cac15dac81b2820a5.js:2:8005357 tl@https://www.fenoxo.com/play/CoC2/release/manifest.a73cac15dac81b2820a5.js:2:8002461 64448/za/<@https://www.fenoxo.com/play/CoC2/release/manifest.a73cac15dac81b2820a5.js:2:7954234 60053/t.unstable_runWithPriority@https://www.fenoxo.com/play/CoC2/release/manifest.a73cac15dac81b2820a5.js:2:8085034 Fa@https://www.fenoxo.com/play/CoC2/release/manifest.a73cac15dac81b2820a5.js:2:7953943 za@https://www.fenoxo.com/play/CoC2/release/manifest.a73cac15dac81b2820a5.js:2:7954181 Ka@https://www.fenoxo.com/play/CoC2/release/manifest.a73cac15dac81b2820a5.js:2:7954114 x@https://www.fenoxo.com/play/CoC2/release/manifest.a73cac15dac81b2820a5.js:2:8022558 Vt@https://www.fenoxo.com/play/CoC2/release/manifest.a73cac15dac81b2820a5.js:2:7931519
The quicksave inside the dungeon likewise got corrupted.
I would take a screenshot of the error message, but it was too large to fit the screen, so I'm copy-pasting it instead:
value@https://www.fenoxo.com/play/CoC2/release/307.cde3088cafcf3d462c92.js:1:99187 value@https://www.fenoxo.com/play/CoC2/release/307.cde3088cafcf3d462c92.js:1:101753 Di@https://www.fenoxo.com/play/CoC2/release/manifest.a73cac15dac81b2820a5.js:2:7978755 Ni@https://www.fenoxo.com/play/CoC2/release/manifest.a73cac15dac81b2820a5.js:2:7978550 As@https://www.fenoxo.com/play/CoC2/release/manifest.a73cac15dac81b2820a5.js:2:8013957 cl@https://www.fenoxo.com/play/CoC2/release/manifest.a73cac15dac81b2820a5.js:2:8005434 ll@https://www.fenoxo.com/play/CoC2/release/manifest.a73cac15dac81b2820a5.js:2:8005357 tl@https://www.fenoxo.com/play/CoC2/release/manifest.a73cac15dac81b2820a5.js:2:8002461 64448/za/<@https://www.fenoxo.com/play/CoC2/release/manifest.a73cac15dac81b2820a5.js:2:7954234 60053/t.unstable_runWithPriority@https://www.fenoxo.com/play/CoC2/release/manifest.a73cac15dac81b2820a5.js:2:8085034 Fa@https://www.fenoxo.com/play/CoC2/release/manifest.a73cac15dac81b2820a5.js:2:7953943 za@https://www.fenoxo.com/play/CoC2/release/manifest.a73cac15dac81b2820a5.js:2:7954181 Ka@https://www.fenoxo.com/play/CoC2/release/manifest.a73cac15dac81b2820a5.js:2:7954114 x@https://www.fenoxo.com/play/CoC2/release/manifest.a73cac15dac81b2820a5.js:2:8022558 Vt@https://www.fenoxo.com/play/CoC2/release/manifest.a73cac15dac81b2820a5.js:2:7931519
The quicksave inside the dungeon likewise got corrupted.