Not only these two items, but other heavenly treasures ranked lower are the same.

The Moon Dew Treasure Bottle can instantly restore spiritual qi, but powerful pills can also serve as substitutes. For an Immortal Monarch who needs immortal energy, it's utterly useless!

The Tower of Babel leads to the stars and allows for large-scale teleportation, but as long as one's understanding of the Dao of Space is deep enough, Ah Yin can achieve similar feats.

The Xuanyuan Sword, is this thing useful?