Complex sentence: There are two types of characters who fall into this category: the first type are the key individuals that the player must rescue so that they can be placed back into their correct place in time who are represented with an orange aura.
Split into simpler sentences: There are two types of characters who fall into this category. They are key individuals that you are being sent back in time to rescue so that they can be placed back into their correct place in time, these characters have an orange aura.