Throne and Liberty Gear Upgrades
Upgrades to gear increase its stats base and often increases its other features. The value of these upgrades is determined by their tiers, requirements, and the number of random augmentations that are applied.
The racial Shield elite Razortail For instance, it is often upgraded to increase its lightning absorption capabilities in PvP, and/or to provide additional defenses to missile-based builds in the PvM. This makes it more tradable over the original version that is not upgraded.
Reroll Tokens
Reroll tokens are a way to reroll a purchased Best item upgrader item upgrader kit upgrade [ksye.cn], such as an armor, weapon, or rings. This replaces the item with an identical item upgrader kit however with different benefits. Reroll tokens are an affordable option to upgrade equipment. However, they don't retain the level of the original Best item upgrader and any resources wasted won't be compensated for.