if pc . getqf ( "spider_eye" ) == 0 then local cur_kill_count = pc . getqf ( "kill_count" ) + 1 
pc . setqf ( "kill_count" , cur_kill_count ) 
if cur_kill_count >= number ( 10 , 50 ) then 
set_state ( "fail_find_bell" ) 
end 
 return end 