d0f74f4b_ions_and_Hints___Team_Ico_Wiki__Dormin_s_description
[Colossus] Avion [Hints offered during battle] Use thy bow and arrow to gain the colossus's attention... Stand on the platform on the surface of the lake to draw its attack... [Dormin's description] 
The next foe is... It casts a colossal shadow across a misty lake as it soars through the sky... To reach it is no easy task...
Dormin's Colossus Descriptions and Hints - Team Ico Wiki
Dormin's description