Discover in this video how works the new Heat attack system
According to Harada, Tekken 8 gameplay will focus on 'aggressiveness' and will have a new 'Heat' system as well as Rage Arts. The gameplay will reward aggressiveness rather than those who 'turtle up'. There will also be a focus on stage destruction, character reactions to these, and making the gameplay enjoyable to watch as well as play.
The Rage system will return alongside Rage Arts.
Heat System
The new Heat System will add unique effects to certain moves of the character and is indicated by a small pink aura that the character surrounds the character. When triggered, the Heat System turns a single move into a full combo on the opponent. It is unclear yet how this system will be triggered and what additional properties the Heat System provides, but it is confirmed that the Heat System is treated completely separate from Rage.