They tend to take a while to get out of the area that they are in, I've found the same npc in the same general map area a few days in a row. (The creeper on Muka's map)
Searching the geffen npc used to be a pain for me too.
But after u get the hang of it.
U ll only need 10-15 mins and 500 fly wings to search it.
It's becomes 2 easy.
Hm... you use fly wings to find it? oO
I thought it'd be safer to just walk all over the map, so i am sure i have been in every corner and every brush. Come saturday, i will search it again.
Btw, i feel a bit sorry for making the gms search for it too, i thought they could just teleport to it or something. xD
GMs also have a command @tonpc but you must know the NPC's secret name to use it, Rahice didn't have it when she first answered, but it's what I used to find it in no time, no worry.