Is it really possible to be this strong?

But AFAIK in KMS it doesn't work like that, Sunfire shouldn't give +50% Dmg, just the ability to gain HP while attacking. And NexonAM decided to give both skills the % dmg buff.

By 50%, they don't mean literally 50% extra damage. It means that you do double the hits, but the extra hits do 50% damage.

Very possible.

In Maplestory, the gap between even moderately funded and highly funded is stupidly large.

And with Unlimited, it goes even further.