Question: what episode does the tenrou island arc start
Answer: 113 `` Tenrou Tree '' `` Tenrōju '' ( 天 狼 樹 ) January 14 , 2012 February 17 , 2015 Gildarts fights Blue Note while Fried and Bickslow , who have returned to Sirius Island together with him , help Levy , Lisanna , and Panther Lily to fight Rustyrose .