Refraction is the bending of light as it passes through different transparent substances. Change in speed causes light to bend when entering substances with different refractive indices. Higher refractive index substances bend light more towards the normal line
Pyramid is a three-dimensional shape with polygonal base and triangular faces. Each corner connects to a single apex. For n-sided base, pyramid has n+1 faces, vertices, and 2n edges
Guardians spawn near underwater ocean monuments. Java edition guardians spawn inside monuments. Bedrock edition guardians spawn in 25 specific spots. Spawn between Y=39 and Y=61 in both editions