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Stella Sora: Complete Strategy Guide for the New Event 'Grand Extermination Operation' and 'Sharo Card'!A new event, 'Grand Extermination Operation,' and the mini-game 'Sharo Card' have arrived in Stella Sora. This guide will provide detailed strategies for both events and efficient reward acquisition methods. Don't miss out on the high-score secrets for Sharo Card and tips for defeating the new boss, Celsia, in the Grand Extermination Operation!
Stella Sora: Complete Strategy Guide for the New Event 'Grand Extermination Operation' and 'Sharo Card'!
1. ✨ Stella Sora New Event Overview
· Information about the new boss Celsia in the 'Grand Extermination Operation' and the mini-game 'Sharo Card,' which started today, has been revealed.
· Nova Yukino, Touna, and Gray character events have also been added.
· This video focuses on the progression and strategy for 'Grand Extermination Operation' and 'Sharo Card'.
00:00 - 00:45
1. ✨ Stella Sora New Event Overview
· Information about the new boss Celsia in the 'Grand Extermination Operation' and the mini-game 'Sharo Card,' which started today, has been revealed.
· Nova Yukino, Touna, and Gray character events have also been added.
· This video focuses on the progression and strategy for 'Grand Extermination Operation' and 'Sharo Card'.
00:46 - 01:55
2. 🃏 Sharo Card: High Score Strategy & Rewards
· The key to a high score in Sharo Card is successfully activating 'Mega Flash' on the final turn.
· While luck plays a significant role, strategic card stacking is crucial.
CategoryDetails
Clear Reward200 Ground Materials
20 Polishing Agents
5 Oasis Tickets
Score Achievement Reward600,000 Dra for every 100,000 damage (total 6,000,000 Dra, equivalent to 1200 Vigor)
Target: 1,000,000 Score
01:56 - 05:11
3. 📈 Sharo Card Stage-by-Stage Strategy Tips
· Early Game Strategy:
· It's crucial to acquire coins that increase the number of rounds by the 2nd turn, which can be a reroll point.
· Prioritize increasing the number of rounds and refresh counts, and play aggressively by performing all possible refreshes with 20-30 coins.
· In the early game, it's best to focus on collecting cards of the same attribute (e.g., Wind attribute only) within 2 types.
· Mid Game Strategy:
· Powerful cards appear after turns 3-4. 'Attribute Focus' cards (e.g., Wind Focus) must be acquired, but the effect of increasing attribute card appearance rate might not be as significant as expected.
· 'Double Up' cards are very important for accumulating points, so it's good to leave 1-2 card slots open in the early game to place these cards in the 3rd-4th slots.
· Late Game Strategy:
· 'Quadra' is an overwhelmingly powerful card (multiplier) essential for reaching 1,000,000 points. It requires 4 Wind attribute cards, but you can collect enough as you play.
· 'Triple' cards also provide powerful bonus points, so it's good to acquire them.
· Maximize the level of these powerful cards and activate 'Mega Flash' on the final turn to aim for a total of 1,000,000 points.
05:12 - 08:37
4. ⚔️ Grand Extermination Operation: New Boss Celsia Strategy
· Basic Strategy:
· Controlling the position of your supporters is key to victory. For example, when attacking red enemies, you must be in a green square to receive buffs.
· Supporters like Gray are difficult to control and might not receive buffs if they appear in a red square, so it's important to place them in a green square upon initial appearance to receive buffs and start attacking.
· Main damage dealers like Nazuna are not restricted by position.
· Boss Attack Patterns:
· The boss summons its own pieces, such as green foxes and red raccoons, and these pieces can also fight each other.
· The boss's charge attack can lead to consecutive hits if struck once, so it must be avoided.
· Shockwave attacks appear in a cross (+) or X (×) shape, and the time from warning to activation is short, so be careful to avoid them.
· These attacks can deplete 10-50% of your HP.
· Unlike previous Grand Extermination Operations, there appear to be no instant-kill attacks, and you can proceed through the battle without damage if you dodge well.
· The new boss Celsia may be related to the legend of the Northern Law City Ruins.
08:38 - 12:36
5. 📋 Grand Extermination Operation Rules & Reward Efficiency
· Event Rules:
CategoryDetails
Challenge Attempts3 times per day (3 minutes each)
Time LimitTotal 60 minutes
Party CompositionNo duplicate characters
Recommended to prepare 2 parties if boss is not defeated
DifficultyBeginner → Intermediate → Advanced → End → Rebirth
On the first day, you can challenge up to Advanced, End is available for simulated battles
Upon clearing a difficulty, it automatically focuses on the next difficulty (improved UI)

· Reward Efficiency:
· The Grand Extermination Operation has a reward structure where participation itself is meaningful.
· Rewards are divided into Clear Rewards, Ranking Rewards, and Accumulated Point Rewards.
· The difference between top and bottom ranks in Ranking Rewards is not significant, making it more about prestige.
· Most Accumulated Point Rewards can be obtained by clearing Advanced difficulty to some extent.
· Shop Exchange Tips:
· In the shop, it's recommended to prioritize exchanging for 'Lossre Travel' items.
· Items like 'Skill Cassette Box', 'Technique Coma', and 'Dra' have very low efficiency, so it's recommended not to exchange for them.
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