Deadly trap! Formidable Endurance!!

Sheyan gazed up, instantly sensing that these keys lazily floating in the sky had turned a little hazy. The metals professor pondered before crying out.

"Not good! Probably ten thousand years of time has done much harm to the mechanism. Do you still remember the glow emitted from the warhammer previously? Based on modern day perspective, that glow should be an unknown energy source. This source can activate the hall’s surrounding mechanisms, and cast such an illumination that attracts these winged keys out of hiding!"

"Which goes to say, once the energy source is exhausted, then naturally the winged keys would be go back into hiding! This means that to obtain another chance at capturing the key, we have to wait for that dwarf sculpture to once again accumulate enough energy in his warhammer. Who knows maybe that thing requires a thousand years to regenerate its energy, or maybe it will never regenerate even!"