We are taking up our cross and following Christ. Frodo Baggins, as the one chosen to be the Ring bearer, is the Cross bearer. He is, therefore, a Christ figure. This is why Tolkien has him leaving ...
there is also the factor that he was a ring bearer. Gandalf possessed the elven ring of power, Narya, which meant he traveled with Frodo (Elijah Wood) and Bilbo (Ian Holm) as a reward and a necessity.
Frodo went through so much to save Middle-earth in The Lord of the Rings and although the outcome was successful, he experienced some horrendous events to get there. Leaving behind his tranquil ...
Frodo and Sam are able to access the Cracks ... by its power and fall under his control. In his mind, the Ring’s bearer would not seek to destroy it but instead use it to challenge his power.