'Even' in the Bible

I know where you live—where Satan’s throne is! And you are holding on to My name and did not deny your faith in Me, even in the days of Antipas, My faithful witness who was killed among you, where Satan lives.

But no one in heaven or on earth or under the earth was able to open the scroll or even to look in it.

And I cried and cried because no one was found worthy to open the scroll or even to look in it.

He also performs great signs, even causing fire to come down from heaven to earth in front of people.