Phobos Base (AoRA): He kept waiting for orders to proceed.
Phobos Base: He didn't think anything lurked beneath the surface.
Hell's Arena: He confused Phobos for Athas and nuked accordingly.
Chained Court: He broke the chains with an unstoppable flame.
Unchained Court: The Arena Master was destroyed by a much stronger flame than his own.
The Wall: At The Wall, the sunset had two suns. <-- Silhar
Phobos Anomaly: He tried destroying the gateway to Deimos.
Hell's Armory: He decided to nuke Hell's production center.
Halls of Carnage: The Halls of Carnage were no match for nuclear weaponry.
City of Skulls: Hiroshima. Nagasaki. City of Skulls.
Spider's Lair: He lit up the Spider's Lair with Thermonuclear Fire.
Tower of Babel: He foolishly thought that this was the end.
Unholy Cathedral: The Angel of Death could not stop the sunrise.
The Vaults: He didn't take the risk of letting those prizes fall into the wrong hands.
The Mortuary: He didn't waste any time in the Mortuary, he just wasted the Mortuary instead.
The Lava Pits: Hellfire met Thermonuclear Fire and lost bigtime.