Infinite cash and stat potions
Once you have Catalogues 2 and 3 you can buy and sell from them by traveling to an unmarked island on the south east corner of the world map Talk to the owner and buy a few Eternias from Catalogue 2 for 30000 and then exit out Talk to the owner a second time and sell the Eternias to him through Catalogue 3 for 750000 profit of 720000 You can do this to max your money at 9999999 in seconds and then buy infinite stat potions from Catalogue 3
Obtain the secret character
How to Unlock Doll one of the two secret characters in Black Sigil Blade of the Exiled
UnlockableHowUnlock Doll To obtain Doll one of the two secret characters you must first get Nephi after visiting the entrance of Isopolis Once you have done that go back to the Corridor of Clouds and return to the entrance of Abraxus Tower Instead of entering the Tower simply go to the right and examine the door you see there for Nephi to unlock it Once you have done that you must locate where a purple person is and examine him after a brief scene you will now have Doll in your party Be sure to scour the workshop to get useful armor for your partyUnlock Vai
Collect the five armaments after the world is fused then return to Isapolis
