User blog comment:Herzog de Puce/Baeny, the Mana Engineer/@comment-973379-20140624162041/@comment-973379-20140625050209

the highest amount of Mana that I was able to calculate was 4045 (Base Mana + fully stacked TotG + FH + IGB + fully stacked RoA + 300 farm + 20 kills, without masteries)(c) - and I complitely agree with this calculation.