https://chessdatabase.science/....wiki/20_Insightful_Q
Throne and Liberty Gear Upgrades Upgrading gear increases its stats base and often boosts its extras. The value of these upgrade is determined by the levels of gear, their requirements and how many random augmentations are made available. For instance, the premium racial shield Razortail is usually upgraded to improve its lightning absorb ability in PvP or to add additional defenses to missile-based builds in PvM. This makes it more tradeable over the unupgraded version. Reroll Tokens Reroll tokens let you reroll