HttT S17: Further updates to dialog

- Improve Konrad's line
- Use variant portraits for Konrad and Li'sar
- Update the mage's dialog to match the dwarf's

data/campaigns/Heir_To_The_Throne/scenarios/17_Scepter_of_Fire.cfg

@@ -624,7 +624,8 @@
         # The noise was played by {EXPAND_LAVA}.
         [message]
             id=Konrad
-            message=_ "That noise was made by no troll! Can you tell its source?"
+            {KONRAD_VARIATION concerned}
+            message=_ "That noise was made by no troll! What manner of beast makes its den in these forsaken caves?"
         [/message]
         [if]
             [have_unit]
@@ -657,14 +658,15 @@
                     [message]
                         type=Arch Mage,Great Mage,Silver Mage
                         # po: "din" means "loud noise". It refers to an ambient sound of collapsing cave walls.
-                        message= _ "Prince Konrad, that din was made by no enemy of ours. It was the sound of the very earth that’s boiling around us, of the fire and lava that are breaching this cave even now. We must tread with caution, for the very ground we stand on may turn against us."
+                        message= _ "Prince Konrad, that din was made by no living thing. It was the sound of the very earth that’s boiling around us, of the fire and lava that are breaching this cave even now. We must tread with caution, for the very ground we stand on may turn against us."
                     [/message]
                 [/then]
             [/elseif]
             [else]
                 # Fallback, in case the player doesn't have either dwarves or magi.
                 [message]
                     id="Li'sar"
+                    {LISAR_VARIATION mad} # the default portrait doesn't have her sword
                     message= _ "Konrad, that must have been the floor collapsing. I was warned of such dangers when I prepared to journey here. We mustn’t tarry here; let us fetch the Sceptre and return to the surface with haste, before the lava under our feet consumes us."
                 [/message]
             [/else]