The Elder Scrolls: The XVII Princes of Oblivion

[Aeson]

See above.

What, that you don't have a Mammoth's soul and lack the Arcane Smithing perk? See: Self-inflicted problem (refusal to upgrade a weapon now because you could upgrade it more later). You're feeling that your weapon's performance is inadequate, so upgrade it with what you have available. Even if you're well and truly attached to having a specific weapon model, it isn't like you can't just go get another copy of it by visiting the local shop, crafting it yourself, or raiding a nearby dungeon once you have the materials/skills to do better for most of the weapon models in Skyrim.