Within an Isometric Pixel Art Depiction of a Forgotten Subterranean

Within an isometric pixel art depiction of a forgotten subterranean crypt where the sound of dripping water echoes, a high-angle shot looking down slightly reveals a triangular composition of three unexpected companions under neutral color temperature top-down lighting and gentle fill light: a dark olive green tench, its small red eyes and glossy mucus sheen prominent on its rounded dorsal fin, lies beside a heart-shaped, pale green custard apple with a reticulated, slightly bumpy skin, while a powerfully built chocolate Labrador Retriever, its weather-resistant double coat gleaming and otter tail still, observes them with a kind expression.