Chikara

Timeline of Kurosaki Ichigo from episode 1-366 including bleach movies 1-4
Ichigo's normal shinigami form (not yet attaining shikai form)

Ichigo's shinigami form

Kurosaki Ichigo's bankai

Vizard Kurosaki Ichigo (Hollowfication)

Resurrecion Hollow form Ichigo

Ichigo's borrowed powers from hell

Ichigo's new gained power

Final Getsuga Tenshou

Ichigo's fullbring

Ichigo's enhance fullbring

Ichigo's final fullbring

Kurosaki Ichigo's fullbring + Shinigami Chikara

Kurosaki Ichigo's fullbring + bankai