"This note..."
When the phrase [Eternal Core] caught his eye, Anvis raised his eyebrows in astonishment and glanced at Orbins. The latter gave him a slight nod, signaling him to continue reading.
...
Elf History E4 2208, February 3rd
0:14:18, the core started showing unstable flickering, emitting magic power that was too mixed and tumultuous. The Array detected a massive amount of magic energy turbulence, which was extremely dangerous.
To avoid any accidents, I urgently terminated the summoning ceremony and tried to eliminate the experimental impacts as much as possible, but the slightly dispersed magic power residue still destroyed the entire Twilight Mountain Range.
Now it needs to be renamed the Twilight Basin, I hope the Queen won't look too deeply into this matter.
...
Elf History E4 2208, February 24th
