A quarterstaff said to have once belonged to a god from another realm.
You have a +1 bonus to attack and damage rolls made with this magic weapon, in addition you can speak the weapon's two command words causing the weapon to either extend 5 feet in a single direction or shrink to the size of a scroll case. Repeating the command word reverts the staff to its original form. The quarterstaff gains the Reach and Two-Handed properties when extended and cannot be used as a regular weapon when it is shrunken.
The command words are "mountain" to extend the staff and "pebble" to shrink it.
Proficiency with a Quarterstaff allows you to add your proficiency bonus to the attack roll for any attack you make with it.
This weapon has the following mastery property. To use this property, you must have a feature that lets you use it.
Topple. If you hit a creature with this weapon, you can force the creature to make a Constitution saving throw (DC 8 plus the ability modifier used to make the attack roll and your Proficiency Bonus). On a failed save, the creature has the Prone condition.
Notes: Bonus: Magic, Damage, Combat, Versatile, Topple