epi 154 erza alisema this is our answer & during the Erza & kagura fight erza said: Simon died because of my weakness but what does it mean?

Oh! I think I know this one.

Erza's weakness is pickles and Simon died kwa eating too many pickles. Therefore Simon died because of Erza's pickle weakness.

wewe must have not seen that arc. Bruh I haven't seen Erza and Kagura fight yet and I know why she alisema that. Watch everything in order and you'll understand what references the characters make.