Falcomon
Level: Child
Japanese Attacks: Uchitake Otoshi, Shuririnken
English Attacks: Firecracker Smokescreen, Ninja Blade

The Ninja Bird protects Ikuto

Peckmon
Level: Adult
Japanese Attacks: Spiral Claw, Kunai Bane
English Attacks: Kunai Wing

Falcomon evolves into Peckmon with the Digisoul of Ikuto

Yatagaramon (Crowmon)
Level: Perfect
Japanese Attacks: Mikafutsu No Kami
English Attacks: Savage Emperor

When Kurata/his Gizumon kill Mercurimon this is enough to set Ikuto off into Full Digisoul Charge evolving Falcomon to Yatagaramon.

Ravemon
Level: Ultimate
Japanese Attacks: Blast Wing, Spiral Raven Claw, Raven King Sword, Ame no Ohabari
English Attacks: Earth King Sword, Celestial Blade

When everyone is in trouble facing off against Belphemon/Kurata is mouthing off how good he is, Ikuto controls his Burst power to make Falcomon evolve to Ravemon.

Ravemon Burst Mode
Level: Ultimate
Japanese Attacks: Dotou Yami Kumo no Mai, Musou Tenshou Yoku no Jin, Raikou Issen no Tsuki
English Attacks: Mourning Dance, Crimson Formation, Lightning Thrust

When working with Yoshino to fight Duftmon (when Duftmon goes to attack Chika and Piyomon evolves to Garuda) Ikuto gets worked up enough to activate Burst Mode and so Ravemon evolves.