Using an Elemental Burst grants a 12/15/18/21/24% increase in ATK and Movement SPD for 15s.
In Game Description
A reliable steel sword. The legendary Skyrider once tried to ride it as a flying sword…
How to Get Skyrider Sword?
Obtainable from wish.
Weapon Upgrade Materials
Here’s all material used to upgrade Skyrider Sword: