I'll get the obvious one out of the way
AP Burst Caster
Goku uses a new resource called Ki, which caps at 10 charges. he's skills consume ki, if he's ki reaches 0 his ap/armor/MR and movement speed is greatly reduced.
Passive - The lower son gokus hp is the more AP/Armor/Magic Resist he gains. 1 Ki is charged every 2 seconds
Q - Kamehameha - goku fires a Strong Ki beam in a straight line, the longer this skill is charged the more power it becomes. Costs 3 Ki
W - Kioken X1-5(Depending on rank) - Increase gokus Movement speed, AP and Armor, increase as you level this up. Costs 1 Ki per second it's used.
E - Gekkai Dama - Goku raises his hands to the air charging up a powerful aoe attack, the longer this is charged the more powerful it becomes, team mates can right click the orb to increase the damage. Costs 5 ki
R - Super Saiyan-jin 1-3 - Goku transforms into the legendary super saiyanjin greatly increasing all his stats (AP/Armor/MR/Move speed) Rank 1 turns him into SSJ1, rank 2 turns him into SSJ2 rank 3 Changes him into SSJ 3. Each transformaton lasts 15 seconds