Of course, Leewit readily agreed to Dumbledore's proposal.
Since Dumbledore was personally crafting a training program to enhance his strength, it could only benefit Leewit without a single drawback—what possible reason did he have to refuse?
"...You've certainly had a busy Christmas holiday. When I went to the safe house to look for you, I couldn't find you at all. And by the time I went to look for you at Tom's place, I was told you had just left a short while before..." Dumbledore said.
Chapter 247