Starlight Kick

Starlight Kick is a reccuring Art in the Xenoblade series. In Xenoblade Chronicles it is one of Melia's Physical Arts. In Xenoblade Chronicles X, it is exclusive to the Galactic Knight class. It is tied to the Psycho Launchers weapons and Cross can use it once learnt by equipping said weapon no matter the class he currently is.

Xenoblade Chronicles
In Xenoblade Chronicles, Melia can use it after Spear Break to force Topple on its target. It will also fills the Party Gauge by 20% if these conditions are met.

Intermediate
The intermediate books are only found in shops for 10,800 G.
 * Alcamoth
 * Melfica Road Shop
 * Colony 6
 * Hope Farm Shop

Advanced
Advanced art books are only available from enemy drops. For any enemies listed with a 0% drop rate, the item can only be obtained using Yoink!, Riki's Talent art.

Xenoblade Chronicles X
In Xenoblade Chronicles X, it allows a Galactic Knight to inflict gravity damages as well as Topple at the cost of 1000 TP.