Complex sentence: He can also imbue other weapons, shield himself from harm, and enhance his physical senses with it, one instance is when he imbued Himari's Yasutsuna to defeat Shuten-dōji.
Split into simpler sentences: He can also imbue other weapons, shield himself from harm, and enhance his physical senses with it. One instance is when he imbued Himari's Yasutsuna to defeat Shuten-dōji.