The Psi Core is a high-tech, glowing energy source with a spherical central core encased in a geometric, angular metallic frame. The core emits a vibrant, pulsating blue or purple light, indicating its psionic energy. The metallic frame features intricate engravings and circuit-like patterns, suggesting advanced alien technology. The surface is smooth and polished with a glossy finish, contrasting with the rough, textured energy conduits connecting to the core.