Scion said:The quote he gave is talking about a completely seperate part of the game.
Damage from two melfs on one creature will deal damage just as well as having one melf and one other spell that is just like melfs but not called melfs and as one melfs and one ice storm.
Feel free to house rule whatever you want.
Damage always 'stacks', it isnt a 'penalty'. Unless someone can come up with an actual rule that talks about this then that is simply how it is. Damage, even from multiple spells of the same name, in the same area, will stack with all other damages in the same area.
Point to where in the stated rule it talks about "stacking", "bonuses" or "penalties".
Which part of
In cases when two or more identical spells are operating in the same area or on the same target, but at different strengths, only the best one applies.
do you have trouble understanding?