Getting back runes and sigils
The chances of it differ based on the salvage kit – look at where it says there is an x% chance to recover the upgrade.
https://wiki.guildwars2.com/wiki/Salvage_kit
Master’s/Mystic can be bought or made yourself, with an 80% chance to recover the rune/sigil/other upgrade. If you want it to be guaranteed, you need a black lion salvage kit.
I see. I’ll make sure to use a black lion salvage kit. Thank you for letting me know, otherwise I ran the risk of losing one.