Current questions and answers regarding the map editor.

1) Everything is clear. Music doesn't work as such, and not just with your music. 2)

function ambush(hero)
  Trigger(6, "region name", nil)
  for i=0,6 do
    local id, n = GetObjectArmySlotCreature(hero, i)
    if id ~= 0 then
      RemoveHeroCreatures(hero, id, ceil(n*0.3))
    end
  end
end

Trigger(6, "region name", "ambush")

3) The script for the flame-spitting ability works with everyone who uses it. The blue glow is normal. This is how all non-statistical objects are highlighted.