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There's much more to the Triforce than most give it credit for. Place it in league with the Cross, the Star of David, the Crescent, the Wheel, and every other religious symbol along with (=), the equal sign. Ultimately, that's what all of these symbols mean, and we have an incredible series of legends based around this ultimate stabilizer.
I will quote myself from the GZD thread:
I've compiled a list of all the games the Triforce plays a role in and have written what happens to it in said games:What is truly beautiful about The Legend of Zelda is that the entire scheme of it all is based not on the number two - which so many things in our real world are - but rather one more than two; three. The simple number 3 has become so much, as it pervades the very fabrics of which Hyrule is woven. The Triforce is simply an archetype - a triangle, built of three triangles. What is significant in the triangle is that it is the most basic shape when connecting straight lines. One is simply a line. Two defines every angle imaginable, but three. Three, now you have a tangible, visual shape. In a certain light, it is the most basic geometric shape. Yet, this whole, beautiful, magical world is crafted around the idea of the triangle, and all that it entails. But the Triforce itself says so much more. Bringing three triangles together to form one triangle is as powerful as the number 11. So much of our world is based around the number and idea of ten; 10. But, you add one more; just one more number to ten, and you surpass it. Ten is composed of ten whole numbers, but that one more beats it. That's all it requires; a simply push over the edge. The Triforce, I feel, is that much more important than a single triangle. On the surface, it is just two more triangles than the basic one triangle, but more so, a new triangle could not be formed without those two more. Not just one more, but two more.
So in a nutshell, Shigeru Miyamoto is a sheer genius for developing this immortal symbol.
LoZ/AoL: Starts split, ends together
ALttP: Starts together, ends together
OoT: Starts together, ends split
MM: Starts split, ends split
OoX/LA: Starts together, ends together
WW: Starts split, ends together
TP: Starts split, probably ends together
Those who have beared a piece of the Triforce:
- Link (Courage)
- Zelda (Wisdom)
- Ganon (Power)
- Midna (Wisdom)
Gathering that Zelda was able to pass the Triforce of Wisdom on to Midna, we know that it is not bound eternally to just the main three. The only infinite in Zelda is the Triforce itself; everything else is subject to change - even Link.