Complex sentence: Despite wanting his promotion very badly, Junior cannot find the heart to fire Tulip due to her kindness and hard work, instead misleading her into believing that she is being transferred to the mail room, and ordering her to never leave it.
Split into simpler sentences: Despite wanting his promotion very badly, Junior cannot find the heart to fire Tulip due to her kindness and hard work. Instead, he misleads her into believing that she is being transferred to the mail business and sends her to the mail room, ordering her to never leave it.