Windblight Ganon

Windblight Ganon also refered as the Scourge of Divine Beast Vah Medoh is a Boss fought in Breath of the Wild. It is one of the four phantoms created by Calamity Ganon to take control of the Divine Beasts. It is fought either atop the Divine Beast Vah Medoh or in the center of Hyrule Castle if it is not already defeated. Once the four Divine Beasts are freed, the Monk Maz Koshia recreate the fight in Link's mind as part of the Final Trial. The original Windblight Ganon is responsible for the demise of Revali 100 years before the events of Breath of the Wild.

Battle
Since the battle against Windblight Ganon is located atop Vah Medoh, Link will need protection from the cold to avoid cold damage during the fight. During its first phase, Windblight Ganon will fly and teleport around the area, shooting a gun at Link that fires powerful blue energy similar to that of the weaker kind of Guardian Scouts. It will also sometimes send a large tornado at Link that must be avoided. Link must use one of the many air ducts in the area to shoot Arrows at Windblight Ganon while it is in the air since the Boss will rarely be at melee weapons range. When Windblight Ganon's health reach the halfway point, it will switch to its second phase. It will now sends four small objects into the air which charge blue energy between each other before shooting at Link. Link must avoid these attacks as well as Windblight Ganon's main attacks. Link can disable the flying objects by simply shooting an arrow at it. Once defeated, Link will be rewarded with a Heart Container.

Hyrule Compendium Entry
This phantom of Ganon attacked the Divine Beast Vah Medoh and was responsible for the demise of the Champion Revali. It specializes in long-range wind attacks.