Complex sentence: Shi-bi and Ike Mese allowed Raden Wijaya to go back to his country to prepare his tribute and a new letter of submission, but Gaoxing disliked the idea and he warned other two.
Split into simpler sentences: Shi-bi and Ike Mese allowed Raden Wijaya to go back to his country to prepare to send tribute and a new letter of submission. But Gaoxing disliked the idea and he warned other two.