×First, go to 1E, smite roach queen and spider at 9,12 there(and take treasures behind them).
Then, smite roach at 2,10 there.
Then go to 1S and smite first evil eye there.
Return to 1E and take treasures at 2,6-3,6.
Go to 1S 1E through 1S, not through 1E.
Kill roach queen and spider there.
Go to 1S 2E, open yellow door there, take treasures behind yellow door.
Then return to 1S 1E, take ATK bonus at 11,14 there.
Get the 2S 1E.
To save more HP here, get past eyes without killing any of them(you'll take 18 dmg).
Then collect the DEF gem and HP poiton.
Attack the eye at 9,6 from behind.
Then return to 1E, kill a last spider there.
Get 1S again.
Smite the second evil eye.
Return to 2S 1E(again, reach 1S 1E through 1S, not through 1E).
Open two greckle doors there, take the treasures(key, HP poiton, ATK gem).
Return to 1S again, smite the rest of the eyes.
Go to 2S, take all the treasures, kill one of the eyes.
Return to 1E, smite last roach there.
You have 40 greckles now.
Time to enter 1N 1E.
Pay 40 greckles there to take treasures at 10,12-11,12 there.
Now get 1S 1E through 1E.
Get 2S 1E, smite the last evil eye there from behind.
Return to 1S 1E.
Smite the evil eye at 1S 1E.
Collect all treasures in 1S 1E, then escape.
Go to 1N 1E.
Kill all the evil eyes there.
Collect blue key and get out of the level.