I need some more details. Unless this is a joke.
D. it relies on physical antics and silly jokes
Answer:
Because he can't give them the memories
Explanation:
Because they don't have pale eyes and he doesn't know that
Lava is seen to have a "glittering"effect due to its natural composition: literally minerals. Depending on the rock that has been melted into this mixture, lava or magma can have varying effects applied to it's appearance, density, and the temperature it cools at.