ag-Kosha, ancient alien with a muscular humanoid ...

Yag-Kosha, ancient alien with a muscular humanoid body and an elephant head with large sorrowful eyes and a long trunk, pinkish faded skin, seated in chains in a shadowy arcane chamber, mystical glowing runes on stone walls, dramatic lighting, fantasy book cover, vertical composition, richly painted, moody atmosphere, Frank Frazetta style, heroic fantasy illustration