Bilbo is half the size of a man and likes comfortable, peaceful life. ... The hobbit puts on the ring and realizes that it makes him invisible and Gollum runs right past and unintentionally leads him to the exit. The hobbit invisibly runs passed the goblins and meets up with the dwarves and Gandalf. ...
In one such conflict Bilbo found a magic ring that allowed him to become invisible. ... Meanwhile the dragon had already been killed by a very brave man, Bard, who was already on his way to claim his part of they treasure so that he could rebuild his kingdom that had also been taken by the dragon in the past. ...