I experienced something really weird in lv70 boss. When i reach this floor last week with more or less 20k BR i tried it just to see how strong it is, with no pots, scrolls and level 32 knights i handle to bring it to 50% of last HP bar. Like everyone else in this case i thought "hey! lets use pots, scrolls, buy some runes and upgrade my troops and this b***h will go down easy..." 10 mins later i was raging like i never rage before, lv3 endurance pot, intelligence, defense and HP scroll plus 3 rage runes, 5 heal runes and 2 damage reduction runes and i didn't handle to reach the last HP bar.
I did no mistakes like use restoration while under the effect of MATK down is just the boss become much more stronger when i'm buffed.
Actually i'm on level 80 and even with 26k BR i can't defeat the boss, i saw people with 30k+ defeat the level 100 one so i assume i'm missing something here. I don't care how hard they try to make me buy gems on the shop, i want them from catacombs so any advice to fight this bosses will be welcome. I'm lv50 mage with 45 pvp set and legend rings/trinkers, all healing skills at max. Thanks in advance.