Grimrock

The fight is really intense, but I managed to kill him "directly" (after 5 epic fails) but it costed me 10 healing potions, 4 blue crystals, 3 ress potions and I don't remember how many energy potions (due to spells and charged attacks hitting illusions). So it's not impossible to kill him...

I did a similar thing with my first play, the problem is: all water magic spells need at least a point in another element to be cast, so yes you have to wait till level 2 to be able to cast something.
Unfortunatly I don't remember where I found the first water magic scroll.

For what I saw (I'm about to finish my second run) your starting party is balanced, but I guess it didn't fit you play style. Since I don't know how you handle encounters I can only give you some directions: Front row: I highly reccomend a barbarian with Heavy Weapons, mid-late game it can quite lit...

I think I found a place where you can make enemies respawn indefinetly but it's inside Castle Nex, so spoiler ahead: Inside the library if you mess up the lever combination for the stairs you spawn 3 of those snake-like mages. I tried 3 times and they always respawned when I got the wrong combinatio...

Finished the game yesterday and restarting now with a new party, trying to get all secrets this time. My first party was: Human Knight: Healty / Endurance, with 1 point in Armor and 1 in Heavy Weapon. Human Rogue: Agile / Evasive, 1 point in Dodge and 1 in Light Weapon (ponting to Dual Wielding) Rat...