This ore can be forged into anything steel can be. it can only be forged in one of the earthen forges that litters the Elemental Plane of Earth, or is rarely found in the material plane on past sites of Elemental Evil. If forged into a sword, the sword is +1, and magical, with 5 charges. The charges can be spent do any of the following things

• 0 charges: cast green flame blade
• 1 charge: cast branding smite as a bonus action

if you create a shield with Zeplin then it is +1, and magical, with 5 charges. The charges can be spent do any of the following things

•  1 charge: cast shield
• 2 charges: cast glyph of warding