Essentially you need to be a Fire Elemental and cleanse every detected threat in Open Sorcery with FIRE. You will also unlock the "Firestorm" achievement following this guide.


Day 1: Current Firepower level is 70%

ChOrRet: Scan and Cleanse the Detected Threat with FIRE.
Firepower +5%

Day 2: Current Firepower level is 75%

JtHs: Scan and Cleanse the Detected Threat with FIRE.
Firepower +5%

Day 3: Current Firepower level is 80%

DwHiSc1: Detect the threat, decide to help the girl, Cleanse the girl with FIRE.
Firepower +5%

Day 4: Current Firepower level is 85%

DwHiSc1: Cleanse the Sacral energy with FIRE.
Firepower +5%

DkApt: Scan and Cleanse the detected threat with FIRE.
Your enhanced Firepower from 3 days of cleansing threats with FIRE will allow you win the battle.
Firepower +10%

Current Firepower level should now be at 100%, and the ability to use "Unecessary Systems as Tinder" in the Control Panel(CtrlPnl) is now unlocked.

Complete your scans/go to sleep + choose to Dream after destroying the threat at DkApt.
If you choose to not Dream, the final two burnable control systems in the CtrlPnl will not unlock.

Day 5: Current Firepower is 100%
Switch to to the Control Panel view.

CtrlPnl: Burn everything with FIRE and the Elemental achievement should eventually unlock.