Create a hyper-realistic 3D model of Lord Indra, the Hindu King of the Devas and God of Weather, Lightning, Thunder, Storms, and Rain. He has golden skin, a muscular build, and a regal expression. He wears ornate golden armor with intricate designs and a flowing cape. In one hand, he holds the Vajra, a lightning bolt weapon with a metallic sheen. He is seated on his divine mount, Airavata, a majestic white elephant with multiple trunks and ornate decorations. The model features ultra-detailed PBR textures for skin, fabric, metal, and elephant hide. High-poly mesh for maximum realism. Dramatic lighting with a stormy sky background enhances his divine presence.