Until then I had 4 groups :
1) Seelah, Lini, Merisiel
2) Kyra, Seoni, Harsk
3) Amiri, Sajan, Ezren
4) Valeros, Lem
But I'm starting to realize the game gets more intersting with bigger parties. So I've decided to regroup the characters within 3 groups :
1) Valeros, Harsk, Lem
2) Amiri, Sajan, Ezren, Kyra
3) Seelah, Merisiel, Seoni, Lini