From what Tib said in another thread, these are popular essences. Are there any that should be added?
essence of passion (lighting)
essence of achievement (fc 1)
essence of precision (HCI)
essence of diligence (FCR)
essence of control (SSI)
essence of singularity (DCI)
essence of passion (lighting)
essence of achievement (fc 1)
essence of precision (HCI)
essence of diligence (FCR)
essence of control (SSI)
essence of singularity (DCI)