Strength
https://www.youtube.com/watch?v=Yuo7AuDGNN8
Perception
https://www.youtube.com/watch?v=Vw21X2jKwCM
Endurance
https://www.youtube.com/watch?v=paYU1neP3xM
Charisma ←　New
https://www.youtube.com/watch?v=X95lZ56ddj4