I've never really gotten serious enough in old ms to want to learn about all this stuff, and i'm quite poor in the server so i'm kinda worrying about if i'd need to hp wash my drk or is it something that just makes life easier in bosses?
Because of HB, you only need to was to 16k and change, which for a warrior is a literal walk in the park. At 4 MP for every 55ish HP, you get massive returns with very little base INT or INT equips. My DrK leveled with 40 base INT and some shitty INT equips and I'm at 26k with HB at 122 (and I started late). Well before 135 for Zak and 155 for HT. Do you need to HP wash? No not really. It just helps with berserk at higher levels because of tougher bosses. Luckily, it's probably the easiest class to wash so you can start pretty late and still get a good amount of HP washing in... in case you're in late 2nd or 3rd job already.
Washing with a warrior only requires using an AP reset on your MP and switch it to HP requiring no skill points used at all (except the 1 point you put into HP to start the process). Which means you can HP wash at whatever level you like Provided you have enough extra MP. I'd say throw 30 Base INT in your character and you'll be fine if you're still under level 50. (this Is if you're potentially wanting to have the HP by lv.155. if you want it earlier, wear some garbage int equips each level up) You need 4 extra MP a wash. Spearman only need to wash 100x. So get 400 extra MP. Easy as pie
