Rune Ciphertext (Presumably multi-enciphered )

Here is a cryptogram:

Note: this is not, very very hard. But still, it is not very very easy, I would want to say with a few clues it's more easy than hard: Clues:

• It can be simple substitution.
• It is not enciphered only 1 time.
• It can be made into a mechanical device, with rotors and rings.
• This is not any version of Enigma. (no 'trick' word here, I mean it)

Ciphertext: ᚣᛖᛒᚢ ᚢᚣᛠᚻᛗ ᛂᛏᚻᛖᛠᚩᚷᛂ ᚢᛒᚣᛂ ᛒᚢ ᚾᛂᚢᚣ

2 parts of the plaintext: STACK EXCHANGE

• This is my first post on Puzzling stack exchange! Please, if somethings unclear; tell me that; or if something similar (I don't think?) have been posted here before, (I have used quite unique ways of enciphering the text) – William Martens Oct 26 '20 at 12:06
• Usually it's recommended to place hints one every 24 hours or so. Nice puzzle though :) – matt Oct 26 '20 at 19:31
• @matt thanks! ill keep that in mind next time; – William Martens Oct 27 '20 at 10:37

With a substitution of

ᚣ t
ᛖ h
ᛒ i
ᚢ s
ᛠ a
ᚻ c
ᛗ k
ᛂ e
ᛏ x
ᚩ n
ᚷ g
ᚾ b

The text becomes

this stackexchange site is best

No idea what the other step is supposed to be

• EXTREMELY WELL DONE! I can't accept the answer now (7mins and I can) But GOOD WORK! Wow.. (Your done, if you asked that) (It's complete) 100/100! A+! – William Martens Oct 26 '20 at 12:12