This Makes Mobs Harder Like
Creepers
Zombie's
Drowned's
Skeleton's
Spider's
Blaze's

And Made Some Things That Dont Deserve Too Die have a better chance of survival
Villager
Sheep
Chicken
Polar Bear
Wolf
Cat
Ocelot
Bat

and thats pretty much all too the data pack

but theres a secret too get a Weapon that is extremely good Hint1: Fish Hint2:nemo Hint3: crafting recipe =)

When you go Too The Download It Will bring you too mediafire and will download =)
And I Took Inspiration From DatapackGeek DatapackGeek on Planet Minecraft
And Took Commands From That Datapack So Please Go Subscribe To Him!