Boss Mission is replacing Co-op Mode for this season but this time with a twist!
Join the Boss Mission World Alliance for a chance at incredible rewards! Find out more here!
Power up with Monster Slayer!
Monster Slayer Buff Gems are available in Happy Cards right now!
Monster Slayer increases your damage against special enemies like bosses and Gate Keepers to absurd levels! And of course, popping two onto your weapon increases the damage even further!
If you want amazing rewards and a lot of Co-op Points, make sure you grab this powerful buff!
Once the season ends, it’ll change into a popular buff!
Once the season ends, Monster Slayer will turn into a different but popular buff.
Even without a special boss to use it on, Monster Slayer will still give you a huge edge in battle! It doesn’t get much better than this!
This time, Monster Slayer will change into one of these 3 buffs:
・Max HP Up Lv3
・Defense Up Lv3
・Shorten Cooldown Lv3
Use Monster Slayer to Beat Bosses and Get Cool Stuff!
Whenever you join a Boss Mission, you’ll get a reward based on how much damage you deal to the boss.
For those of you up to it, Hell’s Challenge makes rare items drop even more than in normal mode.
Additionally, the following items are added to the season’s Co-op rewards.
Rewards List
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| Item Name | Item Infomation |
| Copper Metal | Equip Item a Level-Up Material. The Leveled Up item may become a “High Grade Item*” |
| Silver Metal | Equip Item as a Level-Up Material. The Leveled Up item may become a”High Grade Item” with higher chances than using “Copper Metal” |
| Gold Metal | Equip Item as a Level-Up Material. The Leveled Up item may become a “High Grade Item” with higher chances than using “Silver metal” |
| High Grade Sticker | Sticker for Happy Cards. It guarantees you a “High Grade Item” in the next Happy Cards. *”High Grade Item” is an equip item that has the highest possible parameters among its kind. |
| Finest Ore | Using this item as the material for Item Level-Up gives you more Item Experience Points. |
| Fabled Ore | Using this item as the material for Item Level-Up gives you more Item Experience Points. |
This time we’re also introducing the brand new Mariachi Set
These rare new items aren’t yet available in Happy Cards, so don’t miss your chance to pick them up!
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| Campaign Overview | |
| Campaign | Boss Mission and Monster Slayer! |
| Duration | May 25th – June 7th |