diff --git a/lib/Lacuna/DB/Result/Empire.pm b/lib/Lacuna/DB/Result/Empire.pm
index a30c7a01..3d39b797 100644
--- a/lib/Lacuna/DB/Result/Empire.pm
+++ b/lib/Lacuna/DB/Result/Empire.pm
@@ -905,11 +905,9 @@ sub next_colony_cost {
         { type=> { in => [qw(colony_ship short_range_colony_ship space_station)]}, task=>'travelling', direction=>'out', 'body.empire_id' => $self->id},
         { join => 'body' }
     )->count;
-    my $inflation = INFLATION - ($self->growth_affinity / 100);
-    my $tally = 100_000;
-    for (2..$count) {
-        $tally += $tally * $inflation;
-    }
+#    my $inflation = 1 + INFLATION - ($self->growth_affinity * 5 / 100); Future Enhancement to make Growth more worth it.
+    my $inflation = 1 + INFLATION - ($self->growth_affinity / 100);
+    my $tally = 100_000 * ($inflation**($count-1));
     return sprintf('%.0f', $tally);
 }
 
diff --git a/lib/Lacuna/RPC/Building/BlackHoleGenerator.pm b/lib/Lacuna/RPC/Building/BlackHoleGenerator.pm
index f12ed782..75e66351 100644
--- a/lib/Lacuna/RPC/Building/BlackHoleGenerator.pm
+++ b/lib/Lacuna/RPC/Building/BlackHoleGenerator.pm
@@ -887,7 +887,7 @@ sub qualify_moving_sys {
                 }
             }
         }
-        if ($body->get_buildings_of_class('Lacuna::DB::Result::Building::Permanent::Fissure')) {
+        if ($body->get_type ne 'asteroid' and $body->get_buildings_of_class('Lacuna::DB::Result::Building::Permanent::Fissure')) {
             confess [1009, 'You can not move a body with a fissure on it.'];
         }
     }
@@ -1032,10 +1032,6 @@ sub bhg_swap {
         star_id => $new_data->{star_id},
         orbit   => $new_data->{orbit},
     });
-    my $boracle = $body->get_building_of_class('Lacuna::DB::Result::Building::Permanent::OracleOfAnid');
-    if ($boracle) {
-        $boracle->recalc_probes;
-    }
     
     unless ($new_data->{type} eq "empty") {
         $target->update({
@@ -1110,6 +1106,10 @@ sub bhg_swap {
         if ($body->get_type eq 'space station') {
             drop_stars_beyond_range($body);
         }
+        my $boracle = $body->get_building_of_class('Lacuna::DB::Result::Building::Permanent::OracleOfAnid');
+        if ($boracle) {
+            $boracle->recalc_probes;
+        }
     }
     if (defined($body->empire)) {
         my $mbody = Lacuna->db
@@ -1991,7 +1991,7 @@ sub bhg_tasks {
             reason       => "Target action by Star.",
             occupied     => 0,
             min_level    => 30,
-            range        => 5 * $blevel,
+            range        => 8 * $blevel,
             recovery     => int($day_sec * 1200/$blevel),
             waste_cost   => 30_000_000_000,
             base_fail    => 60,