By now you should know things like hymns and making the sign of the cross, and sword verses. How about wards and charms. It is a long history of crosses and amulets and such trinkets, even in Christianity and Judaism. Pretty much everyone knows the crosses and crucifixes. A ward is a symbol that you put faith in that it repels or turns away an evil presence. If you ever read books such as “It was a dark and creepy night” a book of true stories collected by josh warren. You will have read the story of the demonic presence in a room that a woman placed her rosaries on the door handle to trap in the evil spirit in the room. She found that the cross on the rosaries had been bent.
Rosaries have a long history of turning away evil, when used in prayer. Another is the Hashem hand. It is the hand with an eye in the center. It is believed to turn away the evil eye. Jews believed that an angry or envious look from others would place a small curse on you so they carried the hand as a ward to keep away the evil eye.
Of course the Bible is considered a holy book and there for drives away evil. There have been many disasters where a bible has remained unharmed even through tornadoes and housefires. I know someone who had their house catch on fire and a bible they kept on the coffee table survived unharmed while the table itself was destroyed.
Another is the Mezuzah from Judaism. It is a small tube that contains part of the Torah the original test of the Bible in Hebrew. You attach it to your doorframe or windows to protect you home from evil and disaster. Many believe in this. They make some that you can wear on your person or in a keychain form to carry with you. But you have to be respectful, as they contain the true name of God.
An adventurer’s tool you should carry with you, is a piece of chalk. It can be used to mark paths, as well as to draw symbols, and form a magic circle. A magic circle is basically a simple, unbroken circle you draw around yourself and charge with energy, either blood or psychic energy forced through your left hand. This forms a barrier that block other energy from passing through it, however this does not prevent physical objects to pass through and if they do the circle is broken. It can be one way to block spirits, curses, ect. People use to put circles of salt or something similar to protect themselves while they slept.
Many Christians carry a relic medal, a small medal with the image of a saint on it. The idea is that the saint will be with them spiritually and intercede on their behalf. Whatever their special skill was when they were alive. There are patron saints for pretty much everything. The medals are cast their the saints picture, and some may have been touched to the relics of that saint. Those are also called touch pieces and will have a small patch of cloth on the back. It comes from the new testament, where small clothes were touched to the apostles and carried to the sick and were made well again.