Stone of Tenderness

Stone of Tenderness is one of the 10 magic stones in Grim Clicker.
== Analysis ==
Reduces the cost of leveling up an item to 80% of the original value. The discount stacks multiplicatively, making it particularly effective when using shields.
Despite its initial appeal, understanding the underlying math reveals its limited impact on weapon optimization compared to damage stones. In a shield-centric strategy, however, it becomes a preferred choice.