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They go through the attack sequence without any effect. If there are 21 or more lost souls in a level, pain elementals will not produce their projectile when they attack. In any event, the designers set a limit to the monster's attack, so as to not overpopulate a level with lost souls, making it overly dangerous or resource consuming. If the lost soul is shot into a wall or a thing from close range when it is produced, it will explode, and if it is created beyond a wall, it may be trapped on the other side. This initial charge will hurt the target, unless avoided. The lost souls produced by the pain elemental will begin their existence with a charge forwards, after which it will float about a bit until it attacks again. The pain elemental is vulnerable to misdirected attacks from its own children, and will retaliate against them. As it does not attack directly, the spherical monster will never be targeted by other monsters, though they may unleash lost souls that will attack monsters that hurt them, at least temporarily. Instead of shooting a standard projectile, the pain elemental periodically spews lost souls at its opponents from a mouth that flares up with a reddish glow each time one of the minions is delivered.
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A pain elemental emits a strange, hissing babble upon spotting a player.
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