יְהוָ֣ה צְבָא֣וֹת עִמָּ֑נוּ מִשְׂגָּֽב־לָ֝נוּ אֱלֹהֵ֖י יַעֲקֹ֣ב סֶֽלָה׃
Yang Mahakekal semesta alam menyertai kami; Allah Yakub adalah benteng yang kokoh bagi kami. Sela.
Sefer HaMiddot
6. An effective way to nullify fear is to say "Hashem Tzva-os" (t.n. This is probably an inference to the verses in Psalms 46:8, 84:13, 20:10. These three verses are found together throughout the prayers and are known for their saving powers).