THREE BROTHERS! ONE MATE!
He looks at me with puzzlement, so I read the small caption
"Fairys are easy to kill once you get around their magical defences. Silver is one natural element that will help in lowering their defences. The use of silver on its own will hurt a fairy, but depending on the fairy, it will not stop them. Iron is another natural element that will help you get around their magical defences, but iron is used more for its ability to control them, as it has a binding effect. However, when combined a fairy becomes extremely weak as the combination of both elements makes a fairy's magic almost void, allowing one to place a smaller amount of iron on the fairy making that fairy their servant bound to them