Complex sentence: Therefore the High Council of Ark Moor has to search the lands for them, and convince them to join their ranks with the promise of powers as the sorceress tend to be very ambitious and keen on power.
Split into simpler sentences: Therefore the High Council of Ark Moor has to search the lands for them, and convince them to join their ranks with the promise of powers. Because the sorceress tend to be very ambitious and keen on power.