My sister looked at me, hesitated, and said:

“Sister, you have a very strong power, but it is being imprisoned by this shackle."

When I heard this, I was immediately ecstatic.

Great, then can I protect them.

But when I saw my sister's expression, I hesitated.

She seemed to hesitate for a moment before continuing:

“Sister, if you want to use this power, you need to use a knife to open the shackle mark."

“Then you will have a chance to use this power, remember, only open it once."

After hearing my sister's words, I nodded.

My sister went back to the room to detect the location of the next void crack.

When I returned to the room, I found the notebook.

I spoke to the empty room:

"You are my future, right?"

There was an extra handwriting on the notebook:【Yes.】

My fingers trembled slightly, and many things had answers now.

"So, if I only open the shackle once, can I not protect them?"

"No, only able to protect yourself."

"Is there anything bad for me if I open the shackle?"

"Yes, using it once, you can possess a small part of the power, and it is one-time."

"If you open it twice, you can have all the power, and this power is permanent. However, from then on, you will lose your freedom. To regain your freedom, it will take a very long time, possibly tens of thousands of years."

"If I only open it once, what about my sister, they..."

【Will all die.】

When I saw the three words on the notebook, tears flowed uncontrollably.