No real proof. Hiruzen as a student could be aware of tobirama's tests of ET, but it wasnt perfected, and dropped in the end.Madara stated that Edo Tensei was devised for the battlefield. It is also implied through Hiruzen's familiarity of the jutsu and what was occurring. So, yes.
No real proof. Hiruzen as a student could be aware of tobirama's tests of ET, but it wasnt perfected, and dropped in the end.
Madara stated that it was intended to wipe map clean along with user, hence this explosive tags jutsu. Still no real record beside some theory or possible small scale tests.
You need to express yourself better!
Where are you getting at? Its also a first time he's in control of his edo.
Clearly he hoped to live through kinkaku force and didnt resort to suicide himself.