Beat Gouki
In order to defeat Gouki hit him with the Spirit Gun Never get close to Gouki Just keep walking and from a safe distance shoot him You will eventually defeat him If you run out of Spirit Power keep a safe distance from Gouki until your Spirit Power returns then start shooting again At the end of the battle you should have full health
Escape while fightning Inmaki
Switch to Hiei go to the left side of the wall and use the Teleport or Teleslash ability
Teleport onto roofs
Play with Hiei and use his teleport ability on the sides of buildings and he will teleport to the roof above them