Q: Will there be skills that can be used for multiple combos?
A: Each finisher can be used in combination with each opener. All skills can be used for combos. Skills can even be used multiple times within the same combo sequence.

Q: Will using different combo skills within the combo change the outcome? Or are combos only aimed at the finisher?
A: No, the opener and finisher determine the buffs/benefits.

Q: Are there plans for combos for groups? Or special combos for different factions? Or even combos which you will need a partner for, to execute it?
A: No, apart from the obvious benefit that some combo¡¯s might drastically lower a stat which might benefit your teammates more then yourself.