C652 Slaughtering the Immortals(part I)

A billion years!

When Murong Yu and Mu Lin had entered the deepest part of the fairyland, under the foot of the mountain, a billion years had already passed.

After Murong Yu broke through to the Profound Immortal Stage of nine days, his lifespan had increased explosively to 800 million years. After having been wasted for a billion years, he had suffered no losses at all.

However