Kassadin converts time into power through scaling.
Amplifying Tome
HP + mana + AP scaling, Kassadin is a late-game carry
Mana massive for spam R Riftwalk in the late game
AP max for R Riftwalk that scale in AP
Sorcerer's Shoes
Stasis
Q Null Sphere interrompt enemies and initiates First Strike safely.
management of ressources in early game when he is vulnerable before his level 6 and R Riftwalk.
Reduces cooldown of the R Riftwalk to chain his teleportations in burst.
passives resources in lane to survive his phase early difficile.
R (Riftwalk) dash triggers penetration magic on each teleport.