Please add this folder into Your LF2 directory.

Delete this line from Your data.txt:
id: 224  type: 3  file: data\bat_ball.dat

And add there new lines:
id: 224  type: 3  file: poison\bat_ball.dat
id: 555  type: 0  file: poison\poisoner.dat


To do poison, press DJA. Have fun! 

PS. If You wanna play it without any bugs, then try 1vs1 Vs mode. ;)
