Too early to say! First we need to know which will be the prizes; how many points do we earn byt by each task completed and how many points will cost the prizes.
only Only observation I think is usefull useful now is that the third slot will be good if u you hunt at a place with 3 differents monsters, so different monsters. So this way you can complete 3 tasks about the same time.
Let's see how it works before we reach a conclusion.