Complex sentence: As Michal, he is given three Core Medals and the which he receives from the remnants of the Kougami Foundation in his time is able to transform into Kamen Rider Poseidon.
Split into simpler sentences: As Michal, he is given three Core Medals and the which he receives from the remnants of the Kougami Foundation in his time. He then becomes able to transform into Kamen Rider Poseidon.