'ey there, chaps! You lot must be the spider killin' force, eh? {friendily}

Y'see, the entryway to all them creepy crawlies- it's been sealed by some big ol' sticky web! Ain't no way through, y'hear? {explaining}

Point is. Along with all your supplies 'n whatnot, ya've gotta bring along some lava for the cap'n. Magically contained, o' course! {explaining}