requires leaving it behind - it's like Presence Concealment except you can use it on your hideout too. Or just stand next to a blank wall and never be seen. Or on the inside of a box and no one will notice the contents are different until they try to use them.
And really, the chance to steal the Holy Grail right out from under the noses of the other Heroic Spirits would itself probably be her reason to answer the summoning - no further wish required.
--
"Anko, what you do in your free time is your own choice. Use it wisely. And if you do not use it wisely, make sure you thoroughly enjoy whatever unwise thing you are doing." - HymnOfRagnorok as Orochimaru at SpaceBattles
woot Med. Eng., verb, 1st & 3rd pers. prsnt. sg. know, knows
And really, the chance to steal the Holy Grail right out from under the noses of the other Heroic Spirits would itself probably be her reason to answer the summoning - no further wish required.
--
"Anko, what you do in your free time is your own choice. Use it wisely. And if you do not use it wisely, make sure you thoroughly enjoy whatever unwise thing you are doing." - HymnOfRagnorok as Orochimaru at SpaceBattles
woot Med. Eng., verb, 1st & 3rd pers. prsnt. sg. know, knows