I only need 5element (D/F/N/E/W) but I can beat those animals, not sure critticle but pretty sure you can take strong attack=the best way to take critticle hit:
1/ W or F
2/ E W
3/ E
4/ E
5/ F W
6/ F W E
7/ W
8/ F W E
9/ F W
10/ W
11/ E (or elec)
12/ E W
13/ E W
14/ F W
15/ W F
16/ W
17/ E W
18/ F W
19/ F W
20/ N
21/ W
22/ W F
23/ W
24/ W E
25/ F (dont use W)
26/ F W
27/ W
28/ W F
29/ D
30/ W F
Only use N and D for 1 round but almost use water.
This is a birthstone tournament (ruby,emerald,...) so the crystal hybryd appear a lot, birthstone is seem to be the hardest tournament :/