Answer:
The 8 of us go forth and not back to protect our king from a foe's attack. What am I?
I am a portal to another world which you cannot enter. Only you can see me but I can't see you.
I will disappear every time you say my name.
I belong to you but others use me more often than you do. What am I?
What word has kst in the middle, in the beginning, and at the end?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic