Getsuga Tensho
Its a transformation where ichigo becomes getsuga.
Bleach: Soul Resserection
final getsuga tensho the attack is muigetsu
When he used Final Getsuga Tensho aka Mugetsu.
Ichigo's Shikai is Zangetsu. He is so powerful, he always has it on. He can fire arcs of spiritual energy when he yells Getsuga Tensho. His Bankai is Tensa Zangetsu. With this, he becomes faster, stronger, and can fire more powerful Getsuga Tensho
getsuga tensho i believe
Bleach - 2004 Release The New Getsuga Tensho 13-7 was released on: Japan: 8 September 2009 USA: 7 January 2012
Bleach - 2004 The Final Getsuga Tensho Ichigo's Training 14-37 was released on: Japan: 21 December 2010 USA: 15 June 2012
In Fierce Fighting Conclusion! Release, the Final Getsuga Tensho, which is episode 309 of Bleach, Ichigo uses the final Getsuga Tensho to defeat Sosuke Aizen. The episode aired in the U.S. on August 4, 2013.
Bleach - 2004 Fierce Fighting Conclusion Release the Final Getsuga Tensho 14-44 was released on: Japan: 15 February 2011 USA: 3 August 2013
only aizen. It is then revealed that he also has a stronger getsuga tensho