Now that he had raised his Ancient Runes level to 3, Albert naturally was not going to easily let slip the wealth hidden within Ravenclaw's treasury of knowledge. Even though that so-called wealth would likely prove to be intangible knowledge, he had no intention of missing out nonetheless.
The method for opening the hidden entrance was virtually identical to what he had anticipated: using a Runes spell directly to unlock the door.
Naturally, a few drops of blood were required before entering.
Chapter 182