Board Thread:Fanon Canon 2/@comment-25152698-20140923025827/@comment-6003865-20140923033640

sei, we agree on something. this is also a matter of timing. She was 7 when she somehow sealed amaterasu. I don't think a 7 year old would be capable of sealing amaterasu even if they knew the technique at the time. Jiraiya was a sannin, and was proficient in fuinjutsu.

As it is tailored for fire release ninjutsu, it requires a caster well-versed in the exacting art of "Sealing Formulas", as well as in ninjutsu.

Direct from the main wiki. I don't think a 7 year old is capable of this. I just don't.

The flames destroy whatever they burn. but they would be burned out by now.

Amaterasu is said to never stop burning; even when whatever is caught by Amaterasu is completely reduced to ash or destroyed, it can still continue burning for seven days and seven nights.

direct from the main wiki. So she'd have to find the place within 7 days of sasuke and itachi's fight. Which goes back to my first point.