Staff of Defense

Functions as an arcane focus that must be attuned by an arcane spellcaster.
{t}As an action, cast mage armor (1 charge); lasts 8 hours, your AC becomes 13 + Dex modifier.
{t}As a reaction, cast shield (2 charges); until your next turn, +5 AC and blocks magic missile.
Has 10 maximum charges, regains 1d6+4 charges at sunrise. If you use the last charge, roll
a d20: on a 1, it is destroyed.
The staff of Iarno Albrek, known as 'Glasstaff,' vanquished in the ruins of Tresendar Mano