Gato's Black Market

This shop has the penultimate series of compelx items recipes:

Twin Fangs of Abyss

Jashin's Amulet

Ikazuchi

Lunar Sword

Tri Blades

Sarutobi's Helm

Poinson Guantlets

Kusanagi

Shuko

Rajin

Nidaime's Helm

Chakra Smasher