with Grandblade

Pick another friendly fighter within 6" of this fighter.  That fighter makes a bonus move action.

A fighter can only use this ability after they finish a move action within 1" of 2 or more enemy fighters.  This fighter makes a bonus attack action.

Allocate 3 damage points to all visible enemy fighters within 3" of this fighter.

Until the end of the battle round, enemy fighters that begin their activation within 3" of this fighter cannot make disengage actions or end move actions further from this fighter.

‘Choose a friendly fighter with a Stormcast Eternals runemark ( ) within 3" of this fighter. Remove that fighter from the battlefield and then immediately set them up anywhere on the battlefield more than 4" from all enemy fighters.’

A fighter can make this reaction when they are targeted by a melee attack action, after the damage is totalled but before it is allocated to this fighter, if it is enough for this fighter to be taken down.  Pick another friendly fighter.  That fighter makes a bonus move action or a bonus attack action.

A fighter can only use this ability if an enemy fighter has been taken down by an attack action made by them this activation.  This fighter makes a bonus move action or a bonus attack action.