fix text for spell school bonus

Mods/vcmi/Content/config/english.json

@@ -762,5 +762,7 @@
 	"core.bonus.MECHANICAL.name": "Mechanical",
 	"core.bonus.MECHANICAL.description": "Immunity to many effects, repairable",
 	"core.bonus.PRISM_HEX_ATTACK_BREATH.name": "Prism Breath",
-	"core.bonus.PRISM_HEX_ATTACK_BREATH.description": "Prism Breath Attack (three directions)"
+	"core.bonus.PRISM_HEX_ATTACK_BREATH.description": "Prism Breath Attack (three directions)",
+	"core.bonus.SPELL_SCHOOL_IMMUNITY.name": "${subtype.spellSchool} immunity",
+	"core.bonus.SPELL_SCHOOL_IMMUNITY.description": "Immune to ${subtype.spellSchool}"
 }

Mods/vcmi/Content/config/german.json

@@ -678,7 +678,7 @@
 	"core.bonus.JOUSTING.name": "Champion Charge",
 	"core.bonus.JOUSTING.description": "+${val}% Schaden pro zurückgelegtem Feld",
 	"core.bonus.KING.name": "König",
-	"core.bonus.KING.description": "Anfällig für SLAYER Level ${val} oder höher",
+	"core.bonus.KING.description": "Anfällig für Drachentöter Level ${val} oder höher",
 	"core.bonus.LEVEL_SPELL_IMMUNITY.name": "Zauberimmunität 1-${val}",
 	"core.bonus.LEVEL_SPELL_IMMUNITY.description": "Immun gegen Zaubersprüche der Stufen 1-${val}",
 	"core.bonus.LIMITED_SHOOTING_RANGE.name" : "Begrenzte Schussweite",
@@ -762,5 +762,7 @@
 	"core.bonus.MECHANICAL.name": "Mechanisch",
 	"core.bonus.MECHANICAL.description": "Immunität gegen viele Effekte, reparierbar",
 	"core.bonus.PRISM_HEX_ATTACK_BREATH.name": "Prisma-Atem",
-	"core.bonus.PRISM_HEX_ATTACK_BREATH.description": "Prisma-Atem-Angriff (drei Richtungen)"
+	"core.bonus.PRISM_HEX_ATTACK_BREATH.description": "Prisma-Atem-Angriff (drei Richtungen)",
+	"core.bonus.SPELL_SCHOOL_IMMUNITY.name": "${subtype.spellSchool}-Immunität",
+	"core.bonus.SPELL_SCHOOL_IMMUNITY.description": "Immunität gegen ${subtype.spellSchool}"
 }

config/bonuses.json

@@ -532,6 +532,10 @@
 		}
 	},
 
+	"SPELL_SCHOOL_IMMUNITY":
+	{
+	},
+
 	"SPELL_RESISTANCE_AURA":
 	{
 		"graphics":

lib/CBonusTypeHandler.cpp

@@ -84,6 +84,13 @@ std::string CBonusTypeHandler::bonusToString(const std::shared_ptr<Bonus> & bonu
 	if (text.find("${subtype.spell}") != std::string::npos && bonus->subtype.as<SpellID>().hasValue())
 		boost::algorithm::replace_all(text, "${subtype.spell}", bonus->subtype.as<SpellID>().toSpell()->getNameTranslated());
 
+	if (text.find("${subtype.spellSchool}") != std::string::npos && bonus->subtype.as<SpellSchool>().hasValue())
+	{
+		auto school = bonus->subtype.as<SpellSchool>();
+		auto schoolName = VLC->generaltexth->zelp[school == SpellSchool::ANY ? 458 : 454 + school].first;
+		boost::algorithm::replace_all(text, "${subtype.spellSchool}", schoolName);
+	}
+
 	return text;
 }