Index: ps/trunk/binaries/data/mods/public/simulation/ai/petra/attackManager.js
===================================================================
--- ps/trunk/binaries/data/mods/public/simulation/ai/petra/attackManager.js
+++ ps/trunk/binaries/data/mods/public/simulation/ai/petra/attackManager.js
@@ -362,24 +362,27 @@
 	}
 	else if (gameState.getGameType() === "capture_the_relic")
 	{
-		// Target the player with the most relics
+		// Target the player with the most relics (including gaia)
+		let allRelics = gameState.updatingGlobalCollection("allRelics", API3.Filters.byClass("Relic"));
 		let maxRelicsOwned = 0;
-		// TODO: target gaia relics
-		for (let i = 1; i < gameState.sharedScript.playersData.length; ++i)
+		for (let i = 0; i < gameState.sharedScript.playersData.length; ++i)
 		{
-			if (!gameState.isPlayerEnemy(i) || this.defeated[i])
+			if (!gameState.isPlayerEnemy(i) || this.defeated[i] || i === 0 &&
+			    !gameState.ai.HQ.gameTypeManager.tryCaptureGaiaRelic)
 				continue;
 
-			let relicsCount = gameState.getEnemyUnits(i).filter(API3.Filters.byClass("Relic")).length;
+			let relicsCount = allRelics.filter(relic => relic.owner() === i).length;
 			if (relicsCount <= maxRelicsOwned)
 				continue;
 			maxRelicsOwned = relicsCount;
 			enemyPlayer = i;
 		}
-		if (enemyPlayer)
+		if (enemyPlayer !== undefined)
 		{
 			if (attack.targetPlayer === undefined)
 				this.currentEnemyPlayer = enemyPlayer;
+			if (enemyPlayer === 0)
+				gameState.ai.HQ.gameTypeManager.tryCaptureGaiaRelic = false;
 			return enemyPlayer;
 		}
 	}
@@ -479,7 +482,7 @@
 };
 
 /** f.e. if we have changed diplomacy with another player. */
-m.AttackManager.prototype.cancelAttacksAgainstPlayer = function(player)
+m.AttackManager.prototype.cancelAttacksAgainstPlayer = function(gameState, player)
 {
 	for (let attackType in this.upcomingAttacks)
 		for (let attack of this.upcomingAttacks[attackType])
Index: ps/trunk/binaries/data/mods/public/simulation/ai/petra/attackPlan.js
===================================================================
--- ps/trunk/binaries/data/mods/public/simulation/ai/petra/attackPlan.js
+++ ps/trunk/binaries/data/mods/public/simulation/ai/petra/attackPlan.js
@@ -798,6 +798,8 @@
 	let minDist = Math.min();
 	for (let ent of targets.values())
 	{
+		if (this.targetPlayer === 0 && gameState.getGameType() === "capture_the_relic" && !ent.hasClass("Relic"))
+			continue;
 		if (!ent.position())
 			continue;
 		if (sameLand && gameState.ai.accessibility.getAccessValue(ent.position()) !== land)
@@ -835,7 +837,7 @@
 	else if (gameState.getGameType() === "regicide")
 		targets = gameState.getEnemyUnits(playerEnemy).filter(API3.Filters.byClass("Hero"));
 	else if (gameState.getGameType() === "capture_the_relic")
-		targets = gameState.getEnemyUnits(playerEnemy).filter(API3.Filters.byClass("Relic"));
+		targets = gameState.updatingGlobalCollection("allRelics", API3.Filters.byClass("Relic")).filter(relic => relic.owner() === playerEnemy);
 	if (targets && targets.hasEntities())
 		return targets;
 
Index: ps/trunk/binaries/data/mods/public/simulation/ai/petra/diplomacyManager.js
===================================================================
--- ps/trunk/binaries/data/mods/public/simulation/ai/petra/diplomacyManager.js
+++ ps/trunk/binaries/data/mods/public/simulation/ai/petra/diplomacyManager.js
@@ -322,7 +322,7 @@
 m.DiplomacyManager.prototype.changePlayerDiplomacy = function(gameState, player, newDiplomaticStance)
 {
 	if (gameState.isPlayerEnemy(player) && (newDiplomaticStance === "ally" || newDiplomaticStance === "neutral"))
-		gameState.ai.HQ.attackManager.cancelAttacksAgainstPlayer(player);
+		gameState.ai.HQ.attackManager.cancelAttacksAgainstPlayer(gameState, player);
 	Engine.PostCommand(PlayerID, { "type": "diplomacy", "player": player, "to": newDiplomaticStance });
 	if (this.Config.debug > 1)
 		API3.warn("diplomacy stance with player " + player + " is now " + newDiplomaticStance);
Index: ps/trunk/binaries/data/mods/public/simulation/ai/petra/gameTypeManager.js
===================================================================
--- ps/trunk/binaries/data/mods/public/simulation/ai/petra/gameTypeManager.js
+++ ps/trunk/binaries/data/mods/public/simulation/ai/petra/gameTypeManager.js
@@ -13,6 +13,8 @@
 	// Holds ids of all ents who are (or can be) guarding and if the ent is currently guarding
 	this.guardEnts = new Map();
 	this.healersPerCriticalEnt = 2 + Math.round(this.Config.personality.defensive * 2);
+	this.tryCaptureGaiaRelic = false;
+	this.tryCaptureGaiaRelicLapseTime = -1;
 };
 
 /**
@@ -244,7 +246,11 @@
 			this.criticalEnts.set(ent.id(), { "guardsAssigned": 0, "guards": new Map() });
 			// Move captured relics to the closest base
 			if (ent.hasClass("Unit"))
+			{
 				this.pickCriticalEntRetreatLocation(gameState, ent, false);
+				if (evt.from === 0)
+					gameState.ai.HQ.attackManager.cancelAttacksAgainstPlayer(gameState, evt.from);
+			}
 		}
 	}
 };
@@ -399,7 +405,8 @@
 		return;
 
 	// Couldn't find a place to garrison, so the ent will flee from attacks
-	criticalEnt.setStance("passive");
+	if (!criticalEnt.hasClass("Relic"))
+		criticalEnt.setStance("passive");
 	let accessIndex = gameState.ai.accessibility.getAccessValue(criticalEnt.position());
 	let basePos = m.getBestBase(gameState, criticalEnt, true);
 	if (basePos && basePos.accessIndex == accessIndex)
@@ -516,7 +523,15 @@
 	}
 
 	if (gameState.getGameType() === "capture_the_relic" && gameState.ai.playedTurn % 10 === 0)
+	{
 		this.manageCriticalEntGuards(gameState);
+		// Do not capture gaia relics frequently, as the ai has access to the entire map
+		if (gameState.ai.elapsedTime > this.tryCaptureGaiaRelicLapseTime && !this.tryCaptureGaiaRelic)
+		{
+			this.tryCaptureGaiaRelic = true;
+			this.tryCaptureGaiaRelicLapseTime = gameState.ai.elapsedTime + (5 - 0.5 * (this.Config.difficulty - 3) * 60);
+		}
+	}
 };
 
 m.GameTypeManager.prototype.Serialize = function()
@@ -524,7 +539,9 @@
 	return {
 		"criticalEnts": this.criticalEnts,
 		"guardEnts": this.guardEnts,
-		"healersPerCriticalEnt": this.healersPerCriticalEnt
+		"healersPerCriticalEnt": this.healersPerCriticalEnt,
+		"tryCaptureGaiaRelic": this.tryCaptureGaiaRelic,
+		"tryCaptureGaiaRelicLapseTime": this.tryCaptureGaiaRelicLapseTime
 	};
 };