I've figured out the build so for the first couple of levels at least till danger bridge you have sharp sword obsidian spear to block projectiles and protect yourself then ice spear to freeze your enemies(mage dudes don't even get to shoot you) and also add minor damage with the ice particles it shoots out and stuff. and sharp sword is damage range shield and mobility
then after you replace ice spear with railgun it shreds bro like really
fire sword and ice sword work I've just never completed it with them though I completed the first 2/3 of the level with full health but in the mage dude part I almost died so I booked it sadly I didn't kill all enemies.
