people have had many theories on where the soul stone is, from heimdall, to dr strange to even mjolnir. everyone was looking for a single being/object for the soul stone to be housed in, when they should have been thinking bigger, much BIGGER. I believe the soul stone is the life force of all asgardians, the very essence of asgards divinity, and the very location of Valhalla! now before you say im crazy let me explain.
heimdall was considered a likely candidate for the soul stone because he could see ten trillion souls, but there was somebody who showed much more promise as the wielder of the soul stone, and that was odin. odin enchanted mjolnir with the ability to read souls, he could sense the life forces of frost giants entering his trophy room, he created the destroyer, which is seemingly controlled by the soul of its wielder, the magic odin wields is orange in color and odin changed loki's natural form from frost giant to asgardian. now you may be thinking, "doesn't this prove odin is the sole wielder of the soul stone?" and to you I say nay! the odin force AKA soul stone's energy flows through all asgardians. we have seen that heimdall's eyes are orange, this indicates that he is imbued with the power of the soul stone, though to a lesser extant than odin; we see that the power odin wields in his fight with the frost giants, the color of heimdall's eyes, the color of the soul forge and the force field defending asgard are all the same color; infact, almost all the energy in asgard is of the same orange colour. these facts lead me to the conclusion that the soul stone is the odin force, the very life force of asgard. if this is true then that would explain many things about asgard that science cant in the mcu.
1. odin sleep. when odin uses his mystic/cosmic power it drains his soul, which is why he enters the odinsleep to recharge it.
2.mjolnirs enchantment. odin imbued mjolnir with the soul stone's AKA Odin force's power to read souls.
3.asgardians semi-immortality. because the soul stone is the source of all life on asgard they live much longer than mortal's.
4. odin's ability to turn thor mortal and loki into a asgardian. because odin is the supreme god of asgard, he can take the soul stones energy out of asgardians, turning them mortal. he can also imbue beings with the soul stones power turning them into asgardians.
as you can see the evidence is clearly in favour of my theory.
in AOU thor has a vision showing the asgardians presumably dead and heimdall blinded, this is extremely important to my theory. in the comics the soul stone houses a pocket dimension inside of itself, where souls live in a heavenly state, sound familiar? the mcu adapts the gems to fit the story, and because according to my theory the gem will be appearing in thor ragnarok, it is only logical to assume the pocket dimension in the stone will have a Viking spin. I believe the dimension in the stone is Valhalla, heimdall is blind because he cannot see beyond the pocket universe and the asgardians are partying in Viking heaven. according to my theory the soul stone will be the H in thanos.
T. space stone, tessaract H. soul stone, heaven A. reality stone, aether N. time stone necklace O. power stone, orb S. mind stone, scepter
please post your thoughts.