Azhag was not entirely Azhag any more, the immeasurably strong personality of Nagash was gradually eating him away.
He then uses the immeasurably strong ability and strength of the two Sakuras to resurrect Yūko, accidentally frozen in time by Clow Reed himself to halt her death, therein proving himself Clow's superior.
In his vision at Amon Hen, Frodo Baggins perceived the immense tower as "wall upon wall, battlement upon battlement, black, immeasurably strong, mountain of iron, gate of steel, tower of adamant...Barad-dûr, Fortress of Sauron".
Magneto, alerted by Callisto to the presence of an immeasurably strong and powerful mutant, realizes that it must be Jean Grey.
Something immeasurably strong was pushing against him, breaking his own enchantment.
Then at last his gaze was held: wall upon wall, battlement upon battlement, black, immeasurably strong, mountain of iron, gate of steel, tower of adamant, he saw it: Barad-dùr, Fortress of Sauron.