Lvl 21 - 3 Poisons...
Lvl 22 - 1 Poison (got it for 250k with ss )
Lvl 23 - 1 Poison
Lvl 24 - 3 Poisons
Lvl 25 - 1 Poison
Lvl 26 - cant remember but definitly 2 poisons
Lvl 27 - 2 Poisons
Lvl 28 - 3 Poisons (grrrr!!!
Lvl 29 - 3 Poisons (grrrrrrrrr!!!!
Lvl 30 - 1 Poison !

...done...