Thanks, nice guide! I played CP Ozo for a while (it's like a worse Krul but with AOE) but it wasn't working for me. At all. I've always liked assassin-y heroes though, (i.e.. Blackfeather, Taka, Kestrel) and this guide made my Ozo just that! The skill tree is wrong though.
1 3 4 7 8
2 5 10 11
6 9 12