The Tidepiercer, Awakened

The spear holds eight charges and regains 1d4
charges at midnight.
•3 charges, throw as an attack: Lightning bolt, spell
save DC 19, the spear returns to your hand after.
•4 charges, action: Freedom of Movement on yourself
—While you and the target are underwater—
•1 charge, bonus action: Misty Step
{bull}4 charges, action: Dimension Door
{bull}7 charges, action: Teleport. If the target is not underwater, it counts as a "False destination".