Anyways on topic - finished walkthrough on easier difficulty for hui. On hell collected 5 keys - opened portal to land of shadows. 5 levels in there - each level is a starting act town filled with loads of mobs. For example first map - rogue camp with shamans, amazons and some on. Find boss in there, kill it, open new portal to next town. After all 5 towns done - last portal to big square area. Good amount of mobs but located in nice distances, good for farming xp, gold and runes. In the middle it has 7 bosses (same idea as Aftermath end game bosses), each drops a heart charm for each class.
What is left in this mod to do - cube 3 uncursed items (1 from each act) + soul of dead (charm from hell from same boss that drops zeal charm in normal) and open portal to end boss, which gives +3 skill charm. I have all parts for it, but cube says "nu cio ty hochesh frajer..." and gives no portal. Maybe my lvl is too low for this or maybe mod is xui.
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Overall with runewords in all items enabled and monster hp lowered this is still more like work than enjoying play. Yes maps are big, mobs are plenty and uniques/sets drop good. But overall to play and solo it all on standart setttings - not worth time and effort.