Aghanim's scepter is a legendary Artifact which powered the enormous Sand King scorpion construct which assaulted the desert city of Angaros.

Powerful arcane might crackles through the blue crystal atop the short golden rod, imbuing those who can bend the weave of reality with extra powers. When attuned, it allows the spell caster to cast all spells as if casting them at 5th level, regardless of slot used. In addition, it allows the caster to pick one spell to be additionally empowered: this "signature spell" then features additional abilities or powers (as decided at the DM's discretion - for example, a Polymorph spell might allow the caster to remain in form much longer, a Dimension Door may increase in size or range, a Fireball may be able to be cast with varying AoE). The bearer of Aghanim's scepter may change which spell to focus as their signature spell; however, this alteration requires one week of in-game time to complete, and must be disclosed to the DM in advance.

Notes: by a spell caster