Before I take a vacation from the Digimon Unlimited community, this is my gift for you guys-my training recipe.
From 0dp to 100k++ dp in 1 month without cheating.
Start out with any egg you wish from day 1 and hatch it late at night time so that when your partner hatches for a short time, sleep and wake up straight as a rookie digimon the next day.
I don't really bother training at all in this stage for online battles but just focusing on fulfilling the requirements, battle QR rookies and etc. Unless your partner can 100% digivolve all the way to the max stage, you don't want to train like a maniac and found out later you got 'Evolution Fail' and force to start all over again or jogress into someone you don't really like, but it's up to you guys to decide.
During your partner's early age, do classic to train whenever you can and try to battle QR rookies until you reach 999/999 100% Champion so you can have guarantee auto-megahits, then you switch over to pendulum, which will save you a lot of time and saves you from fail megahit shakes(there is the 150 shakkoumon codes at the QR section, print it and scan, next, scan, next, scan and so on. I wouldn't bother using QR generator because you have to type in the codes, set it up and repeat, and a lot of time wasted.)
After you reach your max level, then you can train like a maniac.
Read more: http://digimonunlimited.proboards.com/thread/1145#ixzz2leJZr4qD