Which button should I press to adopt the chain of My World?

The introduction and operation steps are as follows:

Download the mod of Chain Mine and install it into the game. Go back to our mod setting interface, set the opening mode of chain mining, and press and hold the "~" key under ESC until chain mining is reached. The number of chain mining and the squares that can be dug by chain mining.

Cube is the most basic unit of My World. My world focuses on allowing players to explore, interact and change a dynamically generated world composed of many squares.

Besides the square, the environment also includes animals, plants and objects. The contents of the game include, but are not limited to, collecting minerals, fighting against hostile creatures, and collecting various resources in the game to synthesize new squares and tools.

Open game mode allows players to create buildings and artworks in various multiplayer servers or single-player maps. Other contents include Redstone circuit, mine car and track for logic operation and remote control, which is called the mysterious world of "lower bound" (hell).

In the end, you can choose to go to a dimension called "the last place" (the last place) and defeat the last shadow dragon.