Escarpment Fortress

Reach is a static ability.

A creature with flying can’t be blocked except by creatures with flying and/or reach. (See rule 509, “Declare Blockers Step,” and rule 702.9, “Flying.”)

Multiple instances of reach on the same creature are redundant.

Defender is a static ability.

A creature with defender can’t attack.

Multiple instances of defender on the same creature are redundant.