ゲーム内のセリフです
女好きの怪物トロールに関しての注意を
女キャラにしているという流れだと思われます

...They definitely will by the looks of you.
By the eight.. You'd better run as soon as you see trolls around you. Ok?

will by the looks of youとBy the eight..の部分が全くわかりません
翻訳お願いします