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Prince Arthas requires your assistance! We must assist Arthas in stopping the infection from spreading to other areas of the Kingdom after Mal'ganis infected the residents of Stratholme.

EXPLANATION CODE:
1) replace(/\w?i+\w?/gi,''): This uses a regular expression to find any sequence of one or more "i" characters that are surrounded by zero or one word characters (letters, digits, or underscores) on either side. The g flag indicates that the search should be global (i.e., not stop at the first match), and the i flag makes the search case-insensitive. The replacement string is an empty string, so any matches are removed from the string.
2) Replaces any series of one or more blank characters (spaces, tabs, newlines, etc.) with a single space character with the syntax replace(/s+/g,").
3) trim(): This removes any leading or trailing whitespace characters from the string.
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