Burning thought
Restricted
I guess, math 50 tonnes per block. Heres the vid:
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At 0:36 he sticks his sharp claws into the block and moves it around, fairly easily apart from its awkwardness although i cant say much for his technique.
At 1:09 he lifts it up from the bottom, takes the whole weight on his hands with his arms bent (ouch) and then just pushes it a heigh roughply the same as the blocks....he does the same again a few seconds later (obviously this is gameplay so I am not going to try and use it as a feat for Raziels stamina or anything)
At 2:36 you can see him push around the same blocks on top of eachother, roughly 100 tonnes. He doesnt do anything like flipping but moving it is hard enough. Considering he can do it with the same ease as moving one, he prob has almost double 100 tonnes of strength in his arms since he can move double 50 with no extra effort.
At 2:57 he gives a fairly light push to the topmost block, it goes off the edge of the one its on top of.
At 3:14 he does the old flipping technique to move it around.
At 4: 01 he tosses a block on top of another. Once again, all the weigh on his chest nad he uses a push to chuck it up on top of another.