as he entered the himlad he mastered his wrath and went warily , remembering his danger , for celegorm and curufin were mighty lords who loved eol not at all , and curufin moreover was of perilous mood ; but the scouts of aglon had marked the riding of maeglin and aredhel to the fords of aros , and curufin perceiving that strange deeds were afoot came south from the pass and encamped near the fords .