You can't make a weapon in Oblivion other than using a Sigil Stone to add an effect and a name to the weapon. However, if you play it on the PC, you can create one using The Elder Scrolls Construction Set. Creating a weapon in that program is easy. The tutorials will make it really simple.
no
You use them to enchant or recharge magical items.
You can use it to enchant an item, or use it to recharge an item that is running low on power.
It is already enchanted so you can't do anything to it.
It's in her private quarters but you can only get it in the theives guild quest.
You dont. You can enchant armor and armor pieces with a chameleon enchantment to become slightly invisible but other than that, no, you cannot have stealth armor. unless modding.
To get infinity on a bow in minecraft, you must enchant it.
None of them look much like them. You'd be better off modding them in.
There are two ways to get your weapon enchanted or "special." The sigil stones you get from closing oblivion gates have two enchantments on them: an offesive one for your weapon or a defensive one for your armor. If you are the Arch-Mage, then you can use the Altar of Enchanting to enchant your weapon, provided you have a filled soul gem available.
Enchant is a verb, it has no pronoun form
You can enchant items with an Enchanting Table.
enchant onyx, you can enchant an onyx necklace into an amulet of fury