Siegfried feels his passion growing and tries to put his arms round her , but now it is BrÃ 1\/4 nnhilde who is frightened . In desperation , he kisses BrÃ 1\/4 nnhilde , waking her from her magic sleep . Hesitant at first , BrÃ 1\/4 nnhilde is won over by Siegfried 's love , and renounces the world of the gods .