Unlike all the ones observing from the resting area, Daimon did manage to see what happened earlier when Michael disappeared into the rain of blood needles casted by the bishop.
'So, while Calvin who originally didn't want to obtain a new affinity ended up obtaining one and Michael who wanted to obtain it, ended up not doing so', he thought.
As much of a clown as Calvin appears to be, he is without a doubt a genius, so it doesn't make sense that he, the young master of a family on par with the major families of the other forces and also the grandson of not only a Half Emperor but one of the strongest ones, had not awakened a second affinity prior to entering the academy, especially considering he is the oldest member of the first year's elite class.
Stalactite Milk is probably the best resource to obtain earth related affinities for those below the later part of the Arch ranks, naturally the amount needed will exponentially increase depending on the rank of the one using it.
