Upgrade to Strengthen Weapons

I say this one more time. The dagger (+1) can be purchased from the [Arms Dealer] Gargameth and the [Upgrade Scroll (Low Class Item)] from the [Scroll Merchant] Charon.

Explanation:
Go to Gargameth and purchase a Dagger(+1) then go to Charon and purchase a Upgrade Scroll (Low Class Item). Use the Anvil to upgrade the Dagger to (+2) and return to Hepa