Upgradable equipment
The Upgradable equipment is a fan term referring to a category of very powerfull optionnal equipments in few games, even be the best equipment possible. Their distinctive feature is that they can be upgraded to be even more powerfull, each piece of equipment comes in 4 versions that become more powerful as they are upgraded.
Appearances
Dragon Quest IX: Sentinels of the Starry Skies
The upgradable equipment make their first appareance in this game and are the best weapons and armours that can be found. The weapons can only be found in a Rang 10 Chest at 1% in the Treasure map Grottos when the armour can be dropped at 2% in different bosses of the Treasure map Grottos.
When found, they can be upgraded with the Krak Pot in the Quester's Rest inn multiple time. The first upgrade for any equipment require a Agate of Evolution and an Orb only dropped by the Legacy Bosses, the second upgrade require 3 Agate of Evolution and 3 Orb of the same colours. A third upgrade making the equipment even stronger is only accessible with a Alchemiracle when doing the second upgrade. If it doesn't succeed, a Reset stone can be combine with the equipment obtained to send it back to the first stage and start again.