How does digging ground item from skyblade work?

I am not sure if I have the to do anything special to get this task working. After getting the quest and talked to SkyDwreller, I returned to Sunstream to start picking star dusks. I summon my skyblade and then go back to the bot and start the Dig ground item from skyblade task. All I got were error message: Invalid tool.

Could any tell me how to get star dusk auto picking? or if this is for something else?

Currently, only things without quest requirement can be dig ie: the stones for Fort war.

The stardust quest digging will be supported in next update.

hmm havent try this one i search forum if there are tips or guides havent find one. hmm so u just use skyblade then go to spot then start task i bet right?

activate task then fly over the item u want to pick up, lower slowly and it will digg auto. It keeps you higher then if u would pick directly so no mobs can hit you.