Amethyst Ring
Increases knockback by 10%.
Overview
The Amethyst Ring is a ring that can be bought from the Adventurer’s Guild after completing the “Initiation” quest. It can also appear in Fishing Treasure Chests once Fishing reaches level 2, and it may be found in Mystery Boxes.
While equipped, it increases knockback by 10%. A second Amethyst Ring can be equipped for an additional 10% knockback, bringing the total bonus to 20%.
It can also be used in dyeing as a purple dye item at the dye pots in 
Official description
Increases knockback by 10%.