Resources are actually Graft's biggest problem right now. He's been burning through what he had (not a huge amount to begin with) to make his prototypes, and is going to run dry soon. Nothing that he's made can currently be put into mass production because of this, nor can he proceed any further with REPLICA. He'll need to start procuring materials shortly, and will likely be contacting both Mamoru and Kaldorna to do so on top of fielding his own gathering teams once possible, since the people near the Chateau would definitely notice.