so guys..in the last chapter when BM get mad because of the portrait incident i think she got the knee injure because of the portrait it self got damage when it fell so if the portrait got damage at the knee then BM will also feel the same....and i bet the women (mother carmel) who inside the portrait is the real BigMom just like cracker that hide his true identity...from the WCI arc started it full of lies...what do you think guys?please let me know...