[ReBorn_Spirit]

Lance said that its legal when it is not malicious.
Though you can interpret that in more then a few ways, you have to consider what others would think about what you do to make the server lagg like that.

The server is not made to transmit the data for 200+ monsters each millisecond like that to all the nearby players.

Scrolls of summon pet monsters and the mana crystals with the spell should be addressed after what Klay and Cubes have been doing.

Unfortunately for Klay, he has been warned about it allready.