for starters
1) go melee 1st
2)always go suginami tunnel
3)after act 3/4 look help for people doing suginami silver
why? if you wanna do act 6, you need to be at least level 25, so sugi bronze worth to do.... also at act 4, you can level up to 4 times........
4) remember this demon coz its needed for quest
a) kodama+lost hua puo=erthys
b) jack frost