Hope you feel better soon
I just updated to Magisk 12.0 today and it went fine. Maybe try downloading that zip and installing with TWRP. You shouldn't need SuperSU unless you really want it.
To start, some background: The first thing I did when I got my Encore was find a way to install a clean copy of Windows 8.1 without all the bloatware. I removed all the partitions and let Windows Setup repartition the drive. I did this again whe...
To me, the easiest way to me to install it is to copy the KitKat rom (http://goo.im/devs/succulent/ovation/cyanogenmod/internal//cm_ovation_11.0_03JAN2014_HD.zip) and the PA Gapps (http://forum.xda-developers.com/showthread.php?t=2397942) and the ...
It's running really well for me. I may not flash another ROM until Oreo builds start showing up.