Second Eye
It'd take 30 minutes of private lesson to understand and perfect her ability, and even get a chance to improve it if Roland gave a fck... and it's really weird that he doesn't... even if he uses is as raw material it'd still be very useful, not to mention other more specialized uses...
Rockets are actually simple. Its just a different mix ratio of black powder. And since he has nitrostarch he can make high explosive war heads
hijarian:Holy cow, how can I forgot that after artillery he could advance to rocket weaponry. :o