Index: java/com/l2jserver/gameserver/network/clientpackets/RequestAcquireSkill.java
===================================================================
--- java/com/l2jserver/gameserver/network/clientpackets/RequestAcquireSkill.java    (revision 4569)
+++ java/com/l2jserver/gameserver/network/clientpackets/RequestAcquireSkill.java    (working copy)
@@ -99,7 +99,7 @@
         *  you want to learn Aggression lvl 5, thus skipping lvl 4.) or the packet sends the same level or lower (eg: Aggression lvl 3 and the
         *  packet sends info that you want to learn Aggression level 3).
         */
-       if (Math.max(player.getSkillLevel(_id), 0) + 1 != _level && _skillType != 3)
+       if (Math.max(player.getSkillLevel(_id), 0) + 1 != _level && !(_skillType == 3 || _skillType == 4))
            return;

        final L2Skill skill = SkillTable.getInstance().getInfo(_id, _level);
Index: java/com/l2jserver/gameserver/network/clientpackets/RequestAcquireSkillInfo.java
===================================================================
--- java/com/l2jserver/gameserver/network/clientpackets/RequestAcquireSkillInfo.java    (revision 4569)
+++ java/com/l2jserver/gameserver/network/clientpackets/RequestAcquireSkillInfo.java    (working copy)
@@ -198,9 +198,21 @@
                }
            }
            else
-           {
                return;
+       }
+       else if (_skillType == 5)
+       {
+           Quest[] qlst = trainer.getTemplate().getEventQuests(Quest.QuestEventType.ON_SKILL_LEARN);
+           if ((qlst != null) && qlst.length == 1)
+           {
+               if (!qlst[0].notifyAcquireSkillInfo(trainer, activeChar, skill))
+               {
+                   qlst[0].notifyAcquireSkillList(trainer, activeChar);
+                   return;
+               }
            }
+           else
+               return;
        }
        else if (_skillType == 6)
        {
Index: java/com/l2jserver/gameserver/network/serverpackets/AcquireSkillList.java
===================================================================
--- java/com/l2jserver/gameserver/network/serverpackets/AcquireSkillList.java   (revision 4569)
+++ java/com/l2jserver/gameserver/network/serverpackets/AcquireSkillList.java   (working copy)
@@ -49,15 +49,15 @@
        Fishing, // 1
        Clan, // 2
        SubUnit, //3
-       unk4,
-       unk5,
+       unk4, // Used for subclass skills
+       unk5, // Used for skill transfer
        Special // 6
    }

    private static final String _S__A3_AQUIRESKILLLIST = "[S] 90 AquireSkillList";

    private List<Skill> _skills;
-   private SkillType _skillType;
+   private final SkillType _skillType;

    private static class Skill
    {