no u

open C:/Program Files/Epic Games/FortniteGame/Content/Paks/pakchunk0-WindowsClient.pak (in HxD)

click ctrl+r
select "Text Search" and replace with Hex Code
on the right click "all" instead of "Forward"

Make sure to click "ok" NOT "Replace All" if you click "Replace All" it won't work.

1)
Replace: 50 6C 61 79 65 72 2F 46 65 6D 61 6C 65 2F 4D 65 64 69 75 6D 2F 42 6F 64 69 65 73 2F 46 5F 4D 65 64 5F 53 6F 6C 64 69 65 72 5F 30 31 2F 53 6B 69 6E 73 2F 42 52 5F 35 31 2F 4D 61 74 65 72 69 61 6C 73 2F 46 5F 4D 45 44 5F 43 6F 6D 6D 61 6E 64 6F 5F 42 6F 64 79 5F 42 52 30 35 31 2E 46 5F 4D 45 44 5F 43 6F 6D 6D 61 6E 64 6F 5F 42 6F 64 79 5F 42 52 30 35 31

ctrl+s, run fortnite, equip whiplash your good to go.

With: 50 6c 61 79 65 72 2f 46 65 6d 61 6c 65 2f 4d 65 64 69 75 6d 2f 42 6f 64 69 65 73 2f 46 5f 4d 65 64 5f 53 6f 6c 64 69 65 72 5f 30 31 2f 53 6b 69 6e 73 2f 48 57 5f 30 31 2f 4d 61 74 65 72 69 61 6c 73 2f 46 5f 4d 45 44 5f 43 6f 6d 6d 61 6e 64 6f 5f 48 57 30 31 2e 46 5f 4d 45 44 5f 43 6f 6d 6d 61 6e 64 6f 5f 48 57 30 31 00 00 00 00 00 00 00 00 00 00 00 00


2)
Replace: 50 6c 61 79 65 72 2f 46 65 6d 61 6c 65 2f 4d 65 64 69 75 6d 2f 42 6f 64 69 65 73 2f 46 5f 4d 65 64 5f 53 6f 6c 64 69 65 72 5f 30 31 2f 53 6b 69 6e 73 2f 42 52 5f 35 31 2f 4d 61 74 65 72 69 61 6c 73 2f 46 5f 4d 45 44 5f 43 6f 6d 6d 61 6e 64 6f 5f 42 6f 64 79 5f 42 52 30 35 31
With: 50 6c 61 79 65 72 2f 46 65 6d 61 6c 65 2f 4d 65 64 69 75 6d 2f 42 6f 64 69 65 73 2f 46 5f 4d 65 64 5f 53 6f 6c 64 69 65 72 5f 30 31 2f 53 6b 69 6e 73 2f 48 57 5f 30 31 2f 4d 61 74 65 72 69 61 6c 73 2f 46 5f 4d 45 44 5f 43 6f 6d 6d 61 6e 64 6f 5f 48 57 30 31 00 00 00 00 00 00


3)
Replace: 50 6c 61 79 65 72 2f 46 65 6d 61 6c 65 2f 4d 65 64 69 75 6d 2f 42 6f 64 69 65 73 2f 46 5f 4d 65 64 5f 53 6f 6c 64 69 65 72 5f 30 31 2f 53 6b 69 6e 73 2f 42 52 5f 35 31 2f 4d 61 74 65 72 69 61 6c 73 2f 46 5f 4d 45 44 5f 43 6f 6d 6d 61 6e 64 6f 5f 48 65 61 64 5f 30 35 31 2e 46 5f 4d 45 44 5f 43 6f 6d 6d 61 6e 64 6f 5f 48 65 61 64 5f 30 35 31

With: 50 6c 61 79 65 72 2f 46 65 6d 61 6c 65 2f 4d 65 64 69 75 6d 2f 48 65 61 64 73 2f 46 5f 4d 65 64 5f 48 65 61 64 5f 30 31 2f 4d 61 74 65 72 69 61 6c 73 2f 48 57 30 31 2f 46 5f 4d 45 44 5f 43 6f 6d 6d 61 6e 64 6f 5f 48 65 61 64 5f 48 57 30 31 2e 46 5f 4d 45 44 5f 43 6f 6d 6d 61 6e 64 6f 5f 48 65 61 64 5f 48 57 30 31 00 00 00 00 00 00 00 00 00


4)
Replace: 50 6c 61 79 65 72 2f 46 65 6d 61 6c 65 2f 4d 65 64 69 75 6d 2f 42 6f 64 69 65 73 2f 46 5f 4d 65 64 5f 53 6f 6c 64 69 65 72 5f 30 31 2f 53 6b 69 6e 73 2f 42 52 5f 35 31 2f 4d 61 74 65 72 69 61 6c 73 2f 46 5f 4d 45 44 5f 43 6f 6d 6d 61 6e 64 6f 5f 48 65 61 64 5f 30 35 31

With: 50 6c 61 79 65 72 2f 46 65 6d 61 6c 65 2f 4d 65 64 69 75 6d 2f 48 65 61 64 73 2f 46 5f 4d 65 64 5f 48 65 61 64 5f 30 31 2f 4d 61 74 65 72 69 61 6c 73 2f 48 57 30 31 2f 46 5f 4d 45 44 5f 43 6f 6d 6d 61 6e 64 6f 5f 48 65 61 64 5f 48 57 30 31 00 00 00 00 00 00 00 00 00 00


5)
Replace: 50 6C 61 79 65 72 2F 46 65 6D 61 6C 65 2F 4D 65 64 69 75 6D 2F 42 6F 64 69 65 73 2F 46 5F 4D 65 64 5F 53 6F 6C 64 69 65 72 5F 30 31 2F 53 6B 69 6E 73 2F 42 52 5F 35 31 2F 4D 61 74 65 72 69 61 6C 73 2F 46 5F 4D 45 44 5F 43 6F 6D 6D 61 6E 64 6F 5F 48 61 69 72 5F 30 35 31 2E 46 5F 4D 45 44 5F 43 6F 6D 6D 61 6E 64 6F 5F 48 61 69 72 5F 30 35 31

With: 50 6c 61 79 65 72 2f 46 65 6d 61 6c 65 2f 4d 65 64 69 75 6d 2f 48 65 61 64 73 2f 46 5f 4d 65 64 5f 48 65 61 64 5f 30 31 2f 4d 61 74 65 72 69 61 6c 73 2f 48 57 30 31 2f 46 5f 4d 45 44 5f 43 6f 6d 6d 61 6e 64 6f 5f 48 61 69 72 5f 48 57 30 31 2e 46 5f 4d 45 44 5f 43 6f 6d 6d 61 6e 64 6f 5f 48 61 69 72 5f 48 57 30 31 00 00 00 00 00 00 00 00 00


6)
Replace: 50 6c 61 79 65 72 2f 46 65 6d 61 6c 65 2f 4d 65 64 69 75 6d 2f 42 6f 64 69 65 73 2f 46 5f 4d 65 64 5f 53 6f 6c 64 69 65 72 5f 30 31 2f 53 6b 69 6e 73 2f 42 52 5f 35 31 2f 4d 61 74 65 72 69 61 6c 73 2f 46 5f 4d 45 44 5f 43 6f 6d 6d 61 6e 64 6f 5f 48 61 69 72 5f 30 35 31

With: 50 6c 61 79 65 72 2f 46 65 6d 61 6c 65 2f 4d 65 64 69 75 6d 2f 48 65 61 64 73 2f 46 5f 4d 65 64 5f 48 65 61 64 5f 30 31 2f 4d 61 74 65 72 69 61 6c 73 2f 48 57 30 31 2f 46 5f 4d 45 44 5f 43 6f 6d 6d 61 6e 64 6f 5f 48 61 69 72 5f 48 57 30 31 00 00 00 00 00 00 00 00 00 00