Castlevania: Portrait of Ruin - DS

Play as Old Axe Armor:
To play as a monster from the game, kill 1000 of the Old Axe Armors and save. When you start a new game, you'll be able to pick him as a character.

Maria Uses Grand Cross:
When playing as Richter and Maria. Gain a few levels and have enough MP to use Richter's "Grand Cross" subweapon .
Have Richter select the "Grand Cross" subweapon then switch over to Maria with "X" without having Richter out too. Press "R" to have Richter come out and cast "Grand Cross". The moment he appears press "A" to send Richter away and the "Grand Cross" will go to Maria except she can move around with it.