Complex sentence: Although the storm affected several countries along its path, Waka left the most significant losses in Tonga, where it killed one person and wrought 104.2 million paʻanga ($51.3 million USD) in damage.
Split into simpler sentences: Although the storm affected several countries along its path, Waka left the most significant losses in Tonga. There, one person was killed and 104.2 million paʻanga ($51.3 million USD) was wrought in damage.