Transpersonal Affect designates the class of emotional and affective phenomena that exceed personal-biographical boundaries, arising from or mediating contact with what the depth-psychological tradition variously names the archetypal, the numinous, the collective unconscious, or the transpersonal dimension of psychic life. The term does not simply describe intense feeling; it marks feeling that carries a vector beyond the ego—toward cosmic unity, collective individuation, or the sacred. Within the corpus, this terrain is charted along at least three distinct axes. Grof’s psychedelic research documents the ‘exceptionally strong positive affect’ of ecstatic states—peace, bliss, oceanic melting—as indices of transpersonal experience proper, arguing that such states anchor clinical symptoms and their resolution. Edinger’s alchemical reading transforms the concept: calcinatio purges ego-identification from archetypal energy, yielding affect experienced as ‘etherial fire’ rather than frustrated desirousness—a refinement of feeling into transpersonal awareness. Neumann historicizes the dynamic, tracing how ‘exhaustion of emotional components’ and secondary personalization strip transpersonal force from symbols, devaluing the very affects that once bound humanity to the collective unconscious. Simondon, approaching from a philosophy of individuation, theorizes emotion itself as the locus where pre-individual charge erupts into collective individuation, making affectivity the structural foundation of trans-individual communication. Yaden and colleagues operationalize a related construct as ‘self-transcendent positive emotions,’ demonstrating psychophysiological correlates. The central tension across these positions is whether transpersonal affect is a therapeutic medium to be facilitated, a developmental hazard to be metabolized, or a philosophical category constitutive of collective being.