Board Thread:Theories and Speculation/@comment-890307-20161205161301/@comment-3568954-20161222143935

Itachi did not have huge chakra reserves. Itahi's databook rating for stamina is 3 which is the same level of stamina that kakashi has and kakashi stated that he has horrible stamina. if you don't know what stamina is. stamina is the blanket term for physical and spiritual energy IE chakra. anyone who has over 3 in stamina has more chakra than itachi. kisame's is 5, sasori's is 5 Deiara is 4, Kakuzu has a 4.5 in stamina Orochimaru has a 3.5. so in the end No itachi didn't have the second largest chakra reserves.