That worked for awhile, works now.
0 Pick celestial + race that starts at far east.
1 Pick searing light.
2 Find "non-talking" npc that can be "seen" by Aeryn
3 Put searing light near that npc
4 Stand on your searing light
5 "Walk" into this npc to swap places with it, so the npc takes damage from searing light leftover.

If you have done everything right Aeryn and other npcs that were close will chase towards you without going hostile, so:

6 Bring Aeryn to lake at the bottom
7 Wait+cancel dialogue with her till she suffocates to death.
8 Get your lvl 9-10 for free from the beginning.

P.S.: Lvl 10 is still not enough to lurk through Far East caves.
P.P.S.: "Lvl 9-10" prior to "nightmare" difficulty as npcs in towns tend to have higher lvl, than on normal.