Not Updated For Current Season
The masteries shown here are not yet updated for the current season, the guide author needs to set up the new masteries. As such, they will be different than the masteries you see in-game.
AP Malphite just enougg armor to make his abilities scale well.
Omen-for the armor,hp, and CDR
Frozen Heart- for the mana,armor,CRD and decent passive for melee dps.
Rylais-HP,AP, and passive
Void Staff- AP and MP make your ult hit harder
Early Game- Just harass with your Q try to gank mid or harass enemy jungler if their is one
Mid game- use ult to initate in team fights pick off squihies
Late game- just pwn.