Loki's Vengeful Will
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"What is grandfather planning this time?" Hel wondered.
"Haven't you noticed? Since eons already… He wants more than just ruling, he wants to become the Absolute." Sighed Loki. "She crushed the Titans because he wanted to rule above them all, even helping me kill his own son… He's a monster amongst monsters. Compared to him, we are innocent little chicks recently hatched from our eggs."
"You're being overly ambitious as ever. But I've given up in trying to stop you long ago. I've also realized he won't simply let us be forever." Hel sighed.
Hel and Loki knew very well of Odin's schemes and his plans. Since the beginning of this world that the wars and battles around the world had been caused by him mostly than anybody.
When the world started, the Yggdrasil Tree held several Realms within its fruits. The Titans came first, created by the World Tree to rule the realms, and protect them.