Iluvar moves to engage the construct closest to him. He fight style seems that he his take extra care to avoid attacks.
Spoiler: crunch
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FA: takes a 5' step to the west
FrA: Flurry of blows defensive stance
(d20+16)[35] 1st attack
Damage (d10+5)[7]
Flurry attack
(d20+16)[36]
Damage (d10+5)[11]
Iterative attack
(d20+11)[21]
Damage (d10+5)[14]
If it is not down he uses a swift action to spend a point of ki to get another attack
(d20+16)[21]
(d10+5)[11] damage
If the creature takes a five step Iluvar will use step up feat to follow