After making Leonardo unconscious, Number 1 ordered one of his shadows to carry Leonardo back to the base while he disappeared to go meet their leader.
The reason why number 1 had not gotten the right to be called Zero was because he hadn't proven his worth yet. Completely taming Leonardo, converting him to the dark side, making the Chaos organization loyal dog which would betray Alex, stabbing him in the back was Number 1 goal.
'It will be fun. I'm almost done with the training. Just a little bit more.' Number 1 mumbled as he headed to his destination. A forest.
The forest was far-reaching, impenetrable, and verdant. Its canopy was dominated by poplar, hawthorn, and cottonwood, their crowns allowed for short beams of light to descend for a range of ferns to sprout in the nut and seed covered grounds below.