Tweak Vahnatai PC traits and add Magery item ability

- Vahnatai no longer have a bonus to mage spells (that's now the Magery item ability)
- Vahnatai XP gain bonus changed
- Fix sliths being noted as resistant to poison (they aren't and never have been)

src/classes/item.cpp

@@ -965,7 +965,7 @@ std::string cItem::getAbilName() const {
 	bool party = abil_group();
 	std::ostringstream sout;
 	switch(ability) {
-		case eItemAbil::UNUSED: case eItemAbil::UNUSED2: break; // Invalid
+		case eItemAbil::UNUSED: break; // Invalid
 		case eItemAbil::NONE: sout << "No ability"; break;
 		case eItemAbil::HEALING_WEAPON: sout << "Heals target"; break;
 		case eItemAbil::RETURNING_MISSILE: sout << "Returning missile"; break;
@@ -986,6 +986,7 @@ std::string cItem::getAbilName() const {
 		case eItemAbil::BOOST_MAGIC: sout << "Mage's Mantle"; break;
 		case eItemAbil::ACCURACY: sout << "Accuracy"; break;
 		case eItemAbil::THIEVING: sout << "Thieving"; break;
+		case eItemAbil::MAGERY: sout << "Magery"; break;
 		case eItemAbil::GIANT_STRENGTH: sout << "Giant Strength"; break;
 		case eItemAbil::LIGHTER_OBJECT: sout << "Lighter Object"; break;
 		case eItemAbil::HEAVIER_OBJECT: sout << "Heavier Object"; break;

src/classes/pc.cpp

@@ -62,7 +62,7 @@ void cPlayer::append(legacy::pc_record_type old){
 short cPlayer::get_tnl(){
 	short tnl = 100,store_per = 100;
 	// Omitting a race from this list gives it a value of 0, thanks to the defaulting implementation of operator[]
-	static std::map<const eRace, const int> rp = {{eRace::NEPHIL,12},{eRace::SLITH,20},{eRace::VAHNATAI,-5}};
+	static std::map<const eRace, const int> rp = {{eRace::NEPHIL,12},{eRace::SLITH,20},{eRace::VAHNATAI,18}};
 	static std::map<const eTrait, const short> ap = {
 		{eTrait::TOUGHNESS,10}, {eTrait::MAGICALLY_APT,20}, {eTrait::AMBIDEXTROUS,8}, {eTrait::NIMBLE,10}, {eTrait::CAVE_LORE,4},
 		{eTrait::WOODSMAN,6}, {eTrait::GOOD_CONST,10}, {eTrait::HIGHLY_ALERT,7}, {eTrait::STRENGTH,12}, {eTrait::RECUPERATION,15},
@@ -789,6 +789,7 @@ void cPlayer::finish_create() {
 			items[1] = cItem('helm');
 			break;
 		case eRace::VAHNATAI:
+			// TODO: Should they have a robe instead of a knife?
 			items[0] = cItem('nife');
 			items[1] = cItem('rdsk');
 			break;

src/classes/simpletypes.hpp

@@ -397,7 +397,7 @@ enum class eItemAbil {
 	// General abilities
 	DAMAGE_PROTECTION = 30,
 	FULL_PROTECTION = 31,
-	UNUSED2 = 32,
+	MAGERY = 32,
 	EVASION = 33,
 	MARTYRS_SHIELD = 34,
 	ENCUMBERING = 35,