C741 immortal apparatus

Look, this is my supreme treasure, the Cosmos Sack. This bowl can change sizes at will, become a world of its own, envelop the universe, make mountains and rivers, shrink to a small size and hide in one's ears. As a weapon, it has boundless might, killing the heavens and earth, as a defensive equipment, it is indestructible, it is impregnable.

His eyes lit up as he looked at the young splitter