local singleTargetSpell = ' Katon Hosenka no Jutsu'
local multiTargetSpell = 'Sasuke Attack'
local distance = 2
local amountOfMonsters = 2

macro(250, "multi target spell",  function()
   local specAmount = 0
   if not g_game.isAttacking() then
       return
   end
   for i,mob in ipairs(getSpectators()) do
       if (getDistanceBetween(player:getPosition(), mob:getPosition())  <= distance and mob:isMonster())  then
           specAmount = specAmount + 1
       end
   end
   if (specAmount >= amountOfMonsters) then
       say(multiTargetSpell)
   else
       say(singleTargetSpell)
   end
end)