A turbine airfoil , comprising: a generally elongated airfoil having a leading edge , a trailing edge , a pressure side , a suction side on a side opposite to the pressure side , a tip at a first end , a root coupled to the airfoil at a second end generally opposite the first end for supporting the airfoil and for coupling the airfoil to a disc; at least one outer shroud coupled to the tip of the generally elongated airfoil ; wherein the at least one outer shroud extends in a direction generally from the pressure side toward the suction side and extends circumferentially in a turbine engine; wherein the at least one outer shroud is formed at least in part by an outer shroud base coupled to the tip of the generally elongated airfoil and an outer shroud body extending radially outward from the outer shroud base ; wherein the outer shroud base has an upstream section extending upstream of the outer shroud body and a downstream section extending downstream of the outer shroud body ; a downstream leakage flow conditioner positioned in the downstream section extending downstream of the outer shroud body ; wherein a radially outer surface of the downstream leakage flow conditioner is positioned further radially inward than a radially outer surface of the downstream section of the outer shroud base ; wherein an intersection between the radially outer surface of the downstream leakage flow conditioner and the radially outer surface of the downstream section of the outer shroud base is nonparallel and nonorthogonal with a longitudinal axis of a turbine engine in which the generally elongated airfoil is configured to be positioned, characterised in that the intersection between the radially outer surface of the downstream leakage flow conditioner and the radially outer surface of the downstream section of the outer shroud base is formed from a radially outward extending wall surface . a generally elongated airfoil having a leading edge , a trailing edge , a pressure side , a suction side on a side opposite to the pressure side , a tip at a first end , a root coupled to the airfoil at a second end generally opposite the first end for supporting the airfoil and for coupling the airfoil to a disc; at least one outer shroud coupled to the tip of the generally elongated airfoil ; wherein the at least one outer shroud extends in a direction generally from the pressure side toward the suction side and extends circumferentially in a turbine engine; wherein the at least one outer shroud is formed at least in part by an outer shroud base coupled to the tip of the generally elongated airfoil and an outer shroud body extending radially outward from the outer shroud base ; wherein the outer shroud base has an upstream section extending upstream of the outer shroud body and a downstream section extending downstream of the outer shroud body ; a downstream leakage flow conditioner positioned in the downstream section extending downstream of the outer shroud body ; wherein a radially outer surface of the downstream leakage flow conditioner is positioned further radially inward than a radially outer surface of the downstream section of the outer shroud base ; wherein an intersection between the radially outer surface of the downstream leakage flow conditioner and the radially outer surface of the downstream section of the outer shroud base is nonparallel and nonorthogonal with a longitudinal axis of a turbine engine in which the generally elongated airfoil is configured to be positioned, characterised in that the intersection between the radially outer surface of the downstream leakage flow conditioner and the radially outer surface of the downstream section of the outer shroud base is formed from a radially outward extending wall surface . <EOS>