Chaos Inferno (カオスインフェルノ,Kaosuinferuno?) is the Team Blast used by Team Dark in Sonic Heroes. When performing this move, Shadow, Rouge and Omega team up to deliver a knockout technique that destroys all nearby enemies and temporarily freezes time.
When performing Chaos Inferno, Shadow grabs the green Chaos Emerald and invokes Chaos Control to freeze time while Rouge lifts Omega up into the air by his head. Omega then reconfigures his arms into laser cannons and fires giant purple laser beams from each of them while rotating his torso counter-clockwise, thus blasting everything within range.
To perform Chaos Inferno in gameplay, the player must press White Button// when the Team Blast Gauge is full. When performing this technique, it destroys all normal enemies in the vicinity and as well as inflicts a large amount of damage to bosses. Additionally, while the Team Blast Gauge is resetting from the usage of Chaos Inferno, time is completely stopped, meaning enemies, doors, switches and even the stage time are frozen in place. Any damage that enemies sustain will take effect once time unfreezes. While this effect is useful for getting a good time in Stages and attacking enemies, it also means the environment in the Stages will not react to the player's actions before time unfreezes. However, the player can manually unfreeze time early by pressing White Button// again.
While performing Chaos Inferno, Shadow uses the green transparent Chaos Emerald regardless of whether the player has collected it in gameplay beforehand or not.
There is a glitch that allows Team Dark to spin on an invisible pole. The Team Blast charges up while Team Dark destroys enemies in the frozen level.
On the PC version, the Chaos Emerald and Omega's laser beam refuse to use the intended alpha blending like other console systems do for this game. This is due to the way the RenderWare works for PC games if a model or texture does not have transparency.