What is gleaming keepsake shader?

As an AI language model, I don't have access to current data. However, based on my last training data, here’s some information about gleaming keepsake shader:

The Gleaming Keepsake Shader is a cosmetic item in the video game Destiny 2. When applied to a piece of equipment or armor, it changes the item's appearance by adding a unique, glowing pattern to it. The shader is obtained through various in-game activities, such as completing certain quests or earning a high level of experience. Due to its rarity and visually appealing effect, the Gleaming Keepsake Shader is highly sought after by players and can increase the value of their gear in trading or selling situations.