Re: Dragon vs melee party
If you're going for NPC support, give them some low level NPCs whose job is to get eaten by the dragon. Bonus points if you make the NPCs liked by the party.
π = 4
Consider a 5' radius blast: this affects 4 squares which have a circumference of 40' — Actually it's worse than that.
Completely Dysfunctional Handbook
Tomb of Battle
: Fighter, Monk, Samurai, Blade Dancer, Knight, Swashbuckler and Ninja.