Let's get to the question at hand.. from Alexis's blog

Based on your low statistics on cb, I'd advise you to RS gold kill chickens to 10 str. You can then kill cows up to lvl20 str atk and def before attempting to dungeoneer. The monsters that lurk there will pile you.. And unless u can kill them, you'll end up dying... at around twenty years of melee statistics, you shud be able to take on enough of them.

Another thing.. If ur going for combat experience, you shouldn't go in the group.. If you do, make sure tht the team members you choose to join are of ur combat lvl (or lesser).. Because the monsters' stats are based on the average level of the group.. As an example that if I was your partner, (lvl 91) The monsters that are there are likely to be in the 30s to 80s.. In other words, you'll nearly never strike them.. And , if they atk u, ud likely die in the blink of an eye... If you take it on, the majority of monsters will be in ur lvl...

Let's get to the question at hand.. If you're determined to obtain one hour wep, buy an Longsword (get the most powerful longsword you can get)... If you are at level 20 atk str, def, and str like i adviced, u could use the marmo-thingy (or bathus) metal to make your armour and wep. But keep in mind that you will need to unlock complexity six or so to construct armour.

In reality, with those stats, you wont get into a decent team for gwd or anything with a lot of players, unless you are in a mass. For barrows I highly recommend buying 70 mage and range for black salamander. What you do for the melee brothers is cast an ice burst, then stand diagonal to old school rs gold them , and then you can mage them with the salamander for two hits.