Symphony of Change

Solo event with its phases, scoring, rewards and rankings.

Details

Category: Solo
Frequency: About once for each Fire Crystal generation
Duration: 7 days
Summary: Complete missions to complete a puzzle board. Each row and column gives a chest, and the full board gives the grand prize.
Requirements: None

Mission	Group	Missions	Rewards
Reach 80,000 power by researching	Puzzle missions	1	15 Iron Each is a 10K pack
Reach 300,000 power by training troops	Puzzle missions	1	55 Coal Each is a 10K pack
Make 60 Alliance Contributions	Puzzle missions	1	270 Meat Each is a 10K pack
Recruit 30 Heroes	Puzzle missions	1	55 Coal Each is a 10K pack
Login for 1 Day	Puzzle missions	1	15 Iron Each is a 10K pack
Claim 60 Alliance Gifts	Puzzle missions	1	270 Wood Each is a 10K pack
Spend 1,000 Chief Stamina	Puzzle missions	1	270 Meat Each is a 10K pack
Reach 70,000 power through construction	Puzzle missions	1	270 Wood Each is a 10K pack
Claim 15 Online Rewards	Puzzle missions	1	15 Iron Each is a 10K pack
Carry out 15 Intel Missions	Puzzle missions	1	270 Wood Each is a 10K pack
Gather 30,000,000 Resources	Puzzle missions	1	270 Meat Each is a 10K pack
Use 2,000 minutes of Any Speedup	Puzzle missions	1	55 Coal Each is a 10K pack
Provide Alliance Help 140 times	Puzzle missions	1	15 Iron Each is a 10K pack
Defeat 5 Polar Terrors	Puzzle missions	1	55 Coal Each is a 10K pack
Purchase 1 pack with 2,500 or more Gems	Puzzle missions	1	270 Meat Each is a 10K pack

Reach 80,000 power by researchingGroupPuzzle missionsMissions1Rewards15 Iron Each is a 10K pack
Reach 300,000 power by training troopsGroupPuzzle missionsMissions1Rewards55 Coal Each is a 10K pack
Make 60 Alliance ContributionsGroupPuzzle missionsMissions1Rewards270 Meat Each is a 10K pack
Recruit 30 HeroesGroupPuzzle missionsMissions1Rewards55 Coal Each is a 10K pack
Login for 1 DayGroupPuzzle missionsMissions1Rewards15 Iron Each is a 10K pack
Claim 60 Alliance GiftsGroupPuzzle missionsMissions1Rewards270 Wood Each is a 10K pack
Spend 1,000 Chief StaminaGroupPuzzle missionsMissions1Rewards270 Meat Each is a 10K pack
Reach 70,000 power through constructionGroupPuzzle missionsMissions1Rewards270 Wood Each is a 10K pack
Claim 15 Online RewardsGroupPuzzle missionsMissions1Rewards15 Iron Each is a 10K pack
Carry out 15 Intel MissionsGroupPuzzle missionsMissions1Rewards270 Wood Each is a 10K pack
Gather 30,000,000 ResourcesGroupPuzzle missionsMissions1Rewards270 Meat Each is a 10K pack
Use 2,000 minutes of Any SpeedupGroupPuzzle missionsMissions1Rewards55 Coal Each is a 10K pack
Provide Alliance Help 140 timesGroupPuzzle missionsMissions1Rewards15 Iron Each is a 10K pack
Defeat 5 Polar TerrorsGroupPuzzle missionsMissions1Rewards55 Coal Each is a 10K pack
Purchase 1 pack with 2,500 or more GemsGroupPuzzle missionsMissions1Rewards270 Meat Each is a 10K pack

Tier	Target	Rewards
Each column or row chest	Unknown	2 1h Construction Speedup1 Gold keyThere are 5 columns and 3 rows
Gold chests (full board)	Unknown	5,000 Gems20 1h Construction Speedup10 Mythic Exploration Skill Manual10 Mythic Expedition Skill Manual

Each column or row chestTargetUnknownRewards2 1h Construction Speedup1 Gold keyThere are 5 columns and 3 rows
Gold chests (full board)TargetUnknownRewards5,000 Gems20 1h Construction Speedup10 Mythic Exploration Skill Manual10 Mythic Expedition Skill Manual

The mission list and chest rewards are from the wiki screenshot. The wiki text lists lower thresholds for some missions (40K research power, 300K construction power, 10M resources) and different chest rewards (6 Fire Crystal and 1 Gold Key per row, 12 Fire Crystal, 2 Mythic books and 2 Gold Keys per column, and a Trailblazer Chest with 42 Fire Crystal, 5K Gems, and 20 Mythic books).
To complete the event you need to spend at least 6 EUR for the pack mission.
Check other events running at the same time to share points.