The indestructible shield can have ‘Indestructible’ as a facet. This is likely not a bug, just a non-beneficial combination.
1 Like
Thanks for the report SiQ!
Feel free to post one next time directly into the bug section 
(if you were stopped by the automatic file check, see here: If you cannot create a bug report due to the check failing how to circumvent that).
I will escalate this now.
Silas