Portent of passage X

Portent of passage X allows a player in a dungeon to open a door that they do not have the skill level to open, as long as it is no more than 20 levels above their level. It can be created with 60 radiant energy and 97 Divination inside of a dungeon of complexity 6.

Trivia

 * This portent gives the largest stat boost from any source, although the boost is invisible and applies to doors only.