I think your target verbs should be "are set aflame:is set aflame", considering that, IIRC, it's 2nd person:3rd person.
This is correct - the first argument is the message you receive if you are the target of the interaction, the second is the one you see if it hits someone else.
Also, I'm having some trouble getting this to show up in worlds...
[INTERACTION:REZ_SECRET_LFR]
[I_SOURCE:SECRET]
[IS_NAME:the methods for calling a spirit back from the beyond.]
[IS_SPHERE:REBIRTH]
[IS_SPHERE:LIGHT]
[IS_SECRET_GOAL:IMMORTALITY]
[IS_SECRET:SUPERNATURAL_LEARNING_POSSIBLE]
[IS_SECRET:MUNDANE_RESEARCH_POSSIBLE]
[IS_SECRET:MUNDANE_TEACHING_POSSIBLE]
[IS_SECRET:MUNDANE_RECORDING_POSSIBLE:objects/text/book_instruction.txt:objects/text/secret_rez_lfr.txt]
[I_TARGET:A:CREATURE]
[IT_LOCATION:CONTEXT_CREATURE]
[IT_REQUIRES:CAN_LEARN]
[IT_REQUIRES:CAN_SPEAK]
[I_EFFECT:ADD_SYNDROME]
[IE_TARGET:A]
[IE_IMMEDIATE]
[IE_ARENA_NAME:Spirit Binder]
[SYNDROME]
[SYN_NAME:multidimensional clairvoyance]
[SYN_CLASS:REZ_ABLE]
[CE_DISPLAY_NAME:NAME:spirit binder:spirit binders:ephemeral:START:0]
[CE_CAN_DO_INTERACTION:START:0]
[CDI:ADV_NAME:Reconnect soul with body]
[CDI:TARGET:A:LINE_OF_SIGHT]
[CDI:TARGET_RANGE:A:10]
[CDI:INTERACTION:REZ_GENERAL_LFR]
[CDI:MAX_TARGET_NUMBER:A:1]
[CDI:VERB:guide a spirit back to the mortal plane:guides a spirit back to the mortal plane:NA]
[CDI:TARGET_VERB:are brought back from beyond: is brought back from beyond]
[CDI:WAIT_PERIOD:10000]
[CE_CAN_DO_INTERACTION:START:0]
[CDI:ADV_NAME:Healing touch]
[CDI:TARGET:A:TOUCHABLE]
[CDI:TARGET:A:SELF_ALLOWED]
[CDI:MAX_TARGET_NUMBER:A:2]
[CDI:INTERACTION:FULL_HEAL_LFR]
[CDI:VERB:pray for healing:prays for healing:NA]
[CDI:TARGET_VERB:are renewed:is renewed]
[CDI:WAIT_PERIOD:1000]
[CE_CAN_DO_INTERACTION:START:0]
[CDI:ADV_NAME:Raise spectre]
[CDI:TARGET:A:LINE_OF_SIGHT]
[CDI:MAX_TARGET_NUMBER:A:4]
[CDI:INTERACTION:RAISE_SPECTRE_LFR]
[CDI:VERB:conjure a vengeful spirit:conjures a vengeful spirit:NA]
[CDI:TARGET_VERB:act as a conduit for a vengeful spirit:acts as a conduit for a vengeful spirit]
[CDI:WAIT_PERIOD:4400]
[INTERACTION:REZ_GENERAL_LFR]
[I_SOURCE:CREATURE_ACTION]
[I_TARGET:A:CORPSE]
[IT_LOCATION:CONTEXT_ITEM]
[IT_AFFECTED_CLASS:GENERAL_POISON]
[IT_AFFECTED_CLASS:OLD_GOD_LFR]
[IT_REQUIRES:FIT_FOR_RESURRECTION]
[IT_FORBIDDEN:NOT_LIVING]
[IT_CANNOT_HAVE_SYNDROME_CLASS:HEAL_LFR]
[IT_MANUAL_INPUT:corpses]
[I_EFFECT:RESURRECT]
[IE_TARGET:A]
[IE_IMMEDIATE]
[SYNDROME]
[SYN_NAME:revival shock]
[SYN_CLASS:HEAL_LFR]
[CE_BODY_TRANSFORMATION:START:0:END:2]
[CE:CREATURE:WILL_O_WISP_LFR:FEMALE]
[CE_SPEED_CHANGE:SPEED_PERC:0:START:0:END:1000]
[INTERACTION:FULL_HEAL_LFR]
[I_SOURCE:CREATURE_ACTION]
[I_TARGET:A:CREATURE]
[IT_LOCATION:CONTEXT_CREATURE]
[IT_AFFECTED_CLASS:GENERAL_POISON]
[IT_FORBIDDEN:NOT_LIVING]
[IT_FORBIDDEN:NO_CONNECTIONS_FOR_MOVEMENT]
[IT_CANNOT_HAVE_SYNDROME_CLASS:HEAL_LFR]
[IT_MANUAL_INPUT:wounded]
[I_EFFECT:ADD_SYNDROME]
[IE_TARGET:A]
[IE_IMMEDIATE]
[SYNDROME]
[SYN_CLASS:HEAL_LFR]
[SYN_NAME:spiritual healing aftereffects]
[CE_BODY_TRANSFORMATION:START:0:END:10]
[CE:CREATURE:WILL_O_WISP_LFR:FEMALE]
[CE_MENT_ATT_CHANGE:KINESTHETIC_SENSE:220:0:START:0:END:75]
[CE_PHYS_ATT_CHANGE:STRENGTH:120:0:START:0:END:75]
[CE_PHYS_ATT_CHANGE:AGILITY:101:1:START:0:END:7500]
[INTERACTION:RAISE_SPECTRE_LFR]
[I_TARGET:A:CORPSE]
[IT_LOCATION:CONTEXT_ITEM]
[IT_AFFECTED_CLASS:GENERAL_POISON]
[IT_REQUIRES:FIT_FOR_ANIMATION]
[IT_IMMUNE_CLASS:OLD_GOD_LFR]
[IT_CANNOT_HAVE_SYNDROME_CLASS:OLD_GOD_LFR]
[IT_CANNOT_HAVE_SYNDROME_CLASS:REZ_ABLE]
[IT_FORBIDDEN:NOT_LIVING]
[IT_MANUAL_INPUT:corpses]
[I_EFFECT:ANIMATE]
[IE_TARGET:A]
[IE_IMMEDIATE]
[IE_ARENA_NAME:Vengeful spirit]
[SYNDROME]
[CE_BODY_TRANSFORMATION:START:0]
[CE:CREATURE:BANSHEE_LFR:GENERIC]
[CE_DISPLAY_NAME:NAME:spirit:spirits:spiritual:START:0]
[CE_ADD_TAG:OPPOSED_TO_LIFE:START:0]
[CE_PHYS_ATT_CHANGE:STRENGTH:180:0:TOUGHNESS:30:0:START:0]
Obviously this has a few dependencies, but even with everything present (the text file and the creature definitions needed), it stubbornly refuses to show up in any worlds I've generated, and I've generated over a dozen of them with different sizes, ages, and without any generated secrets present. It works just fine in the arena, though. What gives?