Some scenarios
Scenario 1
Vampires
Can walk in the sun
Must satisfy blood hunger every day - not drinking blood makes you become berserk
Can be killed via Stabbing in the heart, decapitation and silver weapons
You can eat Garlic
Lycan/Werewolf
You can control when to transform however on full Moon you will will be forcefully transformed into beast form
Must consume high amounts of flesh every day to satisfy their hunger otherwise you will go berserk. Eating human flesh is better than animal
Can be killed via Stabbing in the heart and decapitation
However, immune to silver
Scenario 2
Vampires
Can't walk in the sun
Hunger for blood is lesser, need to consume it once a week
Can only be killed with silver weapons
Can't eat garlic
Lycan/Werewolf
Can't control transformations
Hunger can be quenched by eating animal meat
Can only be killed by silver weapons
When transforming you are a beast, not a man
Scenario 1
Vampires
Can walk in the sun
Must satisfy blood hunger every day - not drinking blood makes you become berserk
Can be killed via Stabbing in the heart, decapitation and silver weapons
You can eat Garlic
Lycan/Werewolf
You can control when to transform however on full Moon you will will be forcefully transformed into beast form
Must consume high amounts of flesh every day to satisfy their hunger otherwise you will go berserk. Eating human flesh is better than animal
Can be killed via Stabbing in the heart and decapitation
However, immune to silver
Scenario 2
Vampires
Can't walk in the sun
Hunger for blood is lesser, need to consume it once a week
Can only be killed with silver weapons
Can't eat garlic
Lycan/Werewolf
Can't control transformations
Hunger can be quenched by eating animal meat
Can only be killed by silver weapons
When transforming you are a beast, not a man