Very good, thank you.

> You could make it a value of 0 cats and not sold anywhere, but you can get a copy from the boss if you lose it.

This is a nice idea, but if you import the game, the Shinobi Boss will give you the passport while importing: the numbers of passes means the numbers reset relations.

At least for this version. the both ways costs 10,000 or 10,200 Cats. I think it is moderate.

You could make it a value of 0 cats and not sold anywhere, but you can get a copy from the boss if you lose it. This is a tough one because I didn't know the player's relations with the Shinobi could be reset so easily.

> If it's possible, I'd recommend having the Shinobi Boss hand you one of these when you first join them.

Actually, I considered such function while making this MOD. but I decided to refuse, because I think it will be moderately altered in-game balances. - 10000 + 10000 Cats = Forever Pass, I think it is legit.

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> Otherwise, Shinobi Traders selling them makes sense but not so much everyday bartenders.

Technically, Shinobi Traders can holds this passport but it occurs by a chance, the possibility is 100% but they cant hold it in most cases, due to the limitation of the amount of storage boxes for Shinobi Thieves.

While in-game testing in my environment, selling passport at Bars is slightly OP in the game I thought. So the possibility of appearing at Bars will significantly reduced.

If it's possible, I'd recommend having the Shinobi Boss hand you one of these when you first join them. Otherwise, Shinobi Traders selling them makes sense but not so much everyday bartenders.

This is cool concept. Need this for many modded in factions or factions with modded means to sign up with them.