Congratz, glad you figured it out. :)
If you would like to get some quicker help or tips, you could try asking on our discord channel: https://discord.gg/Y2dwG4c
The damage formula should be somewhat explained when you hover your cursor over the damage values, there should be split of the damage and explanation where does it come from, for example some items scale from int (non-physical damage), dex (daggers, bows) or strength (non-dagger physical melee).