Can I unlock (not get) 5 legendaries in a Mega lightning chest with the available 5 strikes (arena 6) ? I have no legendaries btw.

Can I unlock (not get) 5 legendaries in a Mega lightning chest with the available 5 strikes (arena 6) ? I have no legendaries btw.

Can I unlock (not get) 5 legendaries in a Mega lightning chest with the available 5 strikes (arena 6) ? I have no legendaries btw.