Starting from the top left. Marmortid weakness, which means Tiara is wary of these as well.

1. Objects of Faith and or great emotional value to an individual are effective repellents against Marmortids.

2. Stakes serve as a lethal and non lethal method to deal with a Marmortid

3. Silver weaponry is preferred. Conventional weapons CAN work, but they are often more a nuisance to the Marmortid rather than painful or lethal of silver weapons.

4. A strong will or mind helps against their seductive looks, songs and attempts at possession.

5. Chemicals specifically made to target the body can harm them.

6. The most evident strategy is also to dehydrate them as well, more than not fatal.