Complex sentence: When they catch up with Renn she threatens to drop the Opal, distracting the Soul Eaters to give Torak enough time to spirit walk into a polar bear and wreak havoc on the Soul Eaters.
Split into simpler sentences: When they catch up with Renn she threatens to drop the Opal. This distracts the Soul Eaters sufficiently to allow Torak to spirit walk into a polar bear and scatter the Soul Eaters.