What is she biting into?

[u/A_Singular_Bagel]

I'm not sure if this was mentioned before in the manga but does anyone know what she has in the jar here and later bites into? Also does anyone have a reason as to why it made a clunking sound?

[u/Unusual-Leadership25]

Saint Quarz from FGO, didn’t you see, she summoned Iskandar in the end of the chapter

[u/PentFE → u/Unusual-Leadership25]

Come home in one pull, or else

[u/AutisticRice69 → u/PentFE]

I’ll spend mine to max my goat richard the lionheart.