You can create as many as you like in the map editor, but in- game the limit is 10 per system. As far as I know you can't create one- way warp points in- game so that is an entirely academic question.
I don't think a player should be able to lock themselves in (or at least not without *severe* risks/ penalties.), but likewise I don't like the idea of being able to strike anywhere in an opponnt's empire without any warning at all.
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SE4 Code:
L GdY $ Fr- C- Sd T!+ Sf-- Tcp-- A% M>M+ MpD! RV Pw Fq+ Nd- Rp+ G-
/SE4 Code
Go to
my meagre SEIV pages to generate your own code.