What is rust lake's fundamental strategy?

Rust Lake:Roots is an adventure puzzle game and the orthodox sequel of rust lake Hotel. The previous game is a step of Mr. Owl's longevity plan, and the story of this game is about the destruction of Mr. Crow's family Van der Bohm, but the overall atmosphere of the game continues the previous horror.

The purpose of the game is to collect sacrifices to revive William Vanderbilt. In order to achieve this goal, players have to contact different characters to complete different tasks, but the end of the game is doomed.