Undertale Timeline Collapse - Error Sans Boss(Successful Solo) 

A Quick Battle Against Error, Nothing Much.
To Summon The Ink! Sans or Error! Sans Bosses, You Need To Find A Black Vial That Is Covered With A Glass Casing With A Purple Soul Inside of It.
The Vial Spawns Every Hour And When It Does, A Message Saying "A Powerful Soul Has Dropped In The Timeline" Will Show In Red Text At The Top of The Screen And In The Chatbox.
When The Vial Is In Your Inventory, It Will Be Called "???"
The Vial Can Be Used On The Following:
The Gun Inside Grillby's(For Ink Quest 3)
The Factory At The Back-Right of Neon City(For Error Quest 2 and Ink Quest 2, Or For Another Reason)
The Inky Goop At The Left of Doodlesphere(Summons Ink Sans)
The Blue Strings At The Right of Doodlesphere(Summons Error Sans)
If The Vial Isn't Bought With Robux of For 20k/25k Souls From System, Then It Has A 1% Chance Of Being An Enraged Vial or 10% Chance of Enraging The Boss. An Enraged Vial Can Be Bought From Arnament For 125k/250k Souls