Fire Emblem: Radiant Dawn Hard Mode Need help

*Warning* May Spoil

Im working on getting past Hard Mode and...well...Part 4 last chapter is annoying with the Black knight tje dragon king sephiran and the goddess i dont want to go all the way there in the game and just be stuck. so i was wandering if anyone had some advice (people to get up etc)

You'll have more luck here:

http://uk.gamespot.com/wii/rpg/fireemblem/forum.html?om_act=convert&om_clk=tabs&tag=tabs;forums