Added hint about guards & armor

core/src/mindustry/game/Teams.java

@@ -26,6 +26,8 @@ public class Teams{
     public Seq<TeamData> active = new Seq<>();
     /** Teams with block or unit presence. */
     public Seq<TeamData> present = new Seq<>(TeamData.class);
+    /** Current boss unit. */
+    public @Nullable Unit boss;
 
     public Teams(){
         active.add(get(Team.crux));
@@ -178,6 +180,10 @@ public class Teams{
             data.units.add(unit);
             data.presentFlag = true;
 
+            if(unit.team == state.rules.waveTeam && unit.isBoss()){
+                boss = unit;
+            }
+
             if(data.unitsByType == null || data.unitsByType.length <= unit.type.id){
                 data.unitsByType = new Seq[content.units().size];
             }