Bleach, Dragon Ball Recommendations
The only objetive of the protagonists is to become stronger. Lots of power ups and detailed battles. Both use a lot the shounen technique of "the enemies of today are the allies of tomorrow".
The series are both shounen and have a similar premise. Both the protagonists keep facing stronger enemies while trying to find a way to surpass them. The series also have impressive fight scenes; Bleach with swords and Dragon Ball with fists and energy. If you enjoy watching the main character grow throughout the series you'll probably like both of the manga.
Both series have action, crazy fights and some hilarious humor.