[Endoperez]

You don't need a ritual to get a cloud effect. The value of #effect just needs to be over nine thousand, like in Twan's "Mists of Deception" fix:

#selectspell "Mists of Deception"
#effect 9043
#damage 695
#nreff 2
#nextspell "Phantasmal Warrior"
#end


Seriously speaking, adding x*1000 to #effect value will make a cloud that lasts for x rounds.