Game of the Year Upgrade
From Guild Wars Wiki
“Upgrade your existing Prophecies campaign to the Game of the Year Edition. This will unlock the following Game of the Year bonus items on your account:
- Igneous Summoning Stone for summoning the Fire Imp combat ally.
- Nevermore Flatbow
- Tiger's Roar
- Wolf's Favor
- Rhino's Charge
- Luminescent Scepter
- Serrated Shield
- Soul Shrieker
Note: After you log into the game type "/bonus" in the chat window to have the bonus weapons and Igneous Summoning Stone that summons the Fire Imp added to your inventory.
— In-game description
This item can be purchased through Guild Wars In-Game Store and be applied to upgrade Guild Wars Prophecies into Guild Wars: Game of the Year Edition.

