plutonic (adjective)

1. The formation of the Earth's crust involved the cooling and solidification of plutonic rocks beneath the surface, over millions of years.

2. The artist used a unique technique to capture the intricate textures and formations of plutonic rocks in his paintings.

3. In the anime series, the underworld is depicted as a realm filled with mysterious plutonic formations and landscapes.

4. The protagonist ventured deep into the hidden caverns, where he discovered a hidden treasure trove of glittering plutonic minerals.