Complex sentence: When Barang discovers Samantha's and Jacintha's collusion, Jacintha kills Barang to prevent her from telling Supremo, absorbs Barang's memories and powerful insight when she kills her.
Split into simpler sentences: When Barang discovers Samantha's and Jacintha's collusion, Jacintha kills Barang to prevent her from telling Supremo. She absorbs Barang's memories and powerful insight when she kills her.