I don't know what did I do wrong, but today's run was quite hard for me

Yesterday's DERP was much easier.
Got somewhat unlucky in finding suitable high-level kills for my bloodmage, so I was forced to eat popcorn much earlier for saving blackspace. Binlor was helpful, but got some problems with high level kills because of eroded walls.
Maybe the problem that bloodmage is one of my least favorite classes, especially non-orc or non-elf. I know that gnome bloodmage have a nice synergy because sanguine is boosted by mana potions, but I wanted to save em for Rex. Namtar's Ward really saved my little winstreak, but still i got the situation when i couldnt tank a hit from Rex, so I was forced to spend resources on level 6-7 monsters for midfight lvl-up.
Maybe more aggresive piety farm couldve helped me to raise magic resistance, so tomity fight could be easier, but i found him near the end of my run and idea of keeping piety and walls for lowering resistances was actually better at that moment.
My shy screenshot from early morning (2-3 GMT, I guess)