In order to get access to the whole map of Hyrule in The Legend of Zelda: Tears of the Kingdom, you will have to go to 15 different Skyview Towers during the course of your adventure. However, the process to unlock each Skyview Tower differs from the others. Some Skyview Towers require you to complete a simple task, whereas others require you to fight off enemies or simply enter the towers to unlock them.
Unlocking the Hyrule Field Skyview Tower is a simple process, yet, if you aren't sufficiently strategic in your approach, you may find yourself facing one of the most difficult combats in the game when attempting to unlock this tower.
Finding The Tower
You can find the Hyrule Field Skyview Tower to the South of Lookout Landing, in the middle of the Hyrule Field area. The tower can be found at the following XYZ coordinates: (-0754, -1019, 0064). The territory around this tower is infested with Bokoblins since the stronghold of these creatures is located just around the corner from here. Be careful to arm yourself with the appropriate weapons before entering the tower so that you can defend yourself against any Bokoblins you encounter.
Unlocking The Tower
When you arrive at the Hyrule Field Skyview Tower, you will see that there is a set of wooden stairs going up to the tower itself. But in the middle of its path, you will face a bunch of Blue Bokoblins attacking you. Moreover, you will have to fight against a Blue Moblin boss at the first layer of the stairs. A Blue Bokoblin boss is also waiting for you in front of the tower, with a horde of Bokoblins waiting to attack you.
While the Bokoblins will be an easy enemy to tackle, the bosses might create a problem for you. These bosses might take you off with just a few strikes during the game's early stages. However, if you can use your brain and make the perfect use of Link's abilities, you can get inside the tower without engaging in any type of combat with the bosses.
To do so, stand under the wooden stair, and use Link's Ascend ability to climb to the first layer. Now, get into the edge and use the Ascend ability again. It will take you in front of the Bokoblin Boss. Now, make a run for your life without wasting any time and enter the Hyrule Field Skyview Tower in order to unlock it successfully.
Another way to unlock the tower without engaging in combat is to visit the tower when it is nighttime. At this time, you will find the bosses asleep. Clear out the Bokoblins without waking the bosses and get inside the tower without any kind of obstruction.
Now, if you want to pursue the difficult route, you will need to arm yourself with the appropriate shields and weaponry before engaging in combat with these powerful enemies. However, there is still an easy way to combat the bosses. Thanks to Link's Fuse ability, you can attack certain objects with your bow and arrow to fire them on the enemies and finish them off.
After reaching the tower, stand in the distance and attach a Fire Fruit with your bow. Now, fire it on the Moblin boss, making him fall to the ground. Now, without giving him any time to retaliate, launch an attack on the boss with your melee weapon until he is finished.
In a similar manner, when you are within striking distance of the Bokoblin boss, use your bow and arrow to shoot at the boss after fusing any object with it. Fire them toward the Bokoblin boss to deal damage and kill him from a distance without receiving any kind of damage. The boss will drop a spiked metal, which will come rolling toward you after he is defeated. Make sure to escape the route of the spike to avoid losing HP. Additionally, you can make use of Link's Fusion ability to fuse the spike with a stick to use it as a powerful weapon.