Complex sentence: After defeating a large Aparoid boss, resembling a giant UFO with four legs, he recovers another Core Memory, which is quickly stolen by Pigma Dengar, who sent out the distress signal himself and believed he can become rich from the Core Memory's sale.
Split into simpler sentences: After defeating a large Aparoid boss, resembling a giant UFO with four legs, he recovers another Core Memory. This is quickly stolen by Pigma Dengar, who sent out the distress signal himself and believed he can become rich from the Core Memory's sale.