Dash set 4 (Ga-Olé)

The fourth set in the Pokémon Ga-Olé Dash series was released on February 15, 2018. It features 62 standard disks and 2 secret disks. It is the ninth set overall.
==Information==
The fourth set in the Dash series introduces the Fusion System (Japanese: 合体システム), which allows certain Pokémon when used together in battle to fuse into a different form. One of the launch courses includes a Grade 5 with the Fusion (Japanese: がったい) ability, allowing it to fuse with or from previous sets to respectively form Dusk Mane Necrozma with the move or Dawn Wings Necrozma with . While in these forms, Necrozma receives a boost in stats relative to the Grade of Pokémon it fused with: Grade 5 disks will boost Necrozma's Energy value by 1,040 points, while Grade 4 or Special disks will boost its Energy value by 760 points. If Solgaleo or Lunala disks with access to their exclusive Z-Moves are used to fuse with Necrozma, it can use these in battle as well. A new Grade 5 , also with the Fusion ability, could be encountered on a course available to play from March 15, 2018. Kyurem can fuse with to form White Kyurem with the move or to form Black Kyurem with . Players cannot use another Pokémon while Necrozma or Kyurem are in a merged state as both disk slots on the console will still be in use. Pokémon in a merged state cannot be distributed as a single disk.
The Let's Begin Ga-Olé! Course, a beginner course that has featured in the starting lineup of every Dash series set, had its roster expanded for the first time since the start of the series. These new additions were the two previously available in the Let's Raise Cosmog! Course from the . Among other courses available to play for the duration of this set was the Regigigas Course, in which players could encounter and capture a powerful Grade 5 as well as Grade 4 versions of the legendary giants, , , and . The Poipole Special Course and Naganadel Course introduced the first Ultra Beasts to Pokémon Ga-Olé in the form of Poison Pin Pokémon and ; the latter course also included another Grade 5 , this time with a Psychic Memory. Two new Grade 5 Lycanroc could also be encountered on the last of the standard courses available to play for this set, each of them with access to the exclusive Z-Move .
Trainer and Battle Mode was available to challenge from March 29, 2018 and provided a new roster of opponents to battle. These opponents included 2 new Trainer classes and a new Battle Leader, Ratsuha, who could be challenged upon defeating the 4 Trainers before her. Promotional or disks could be dispensed for an additional ¥100 following a battle with Ratsuha, with 'WINNER' versions available to those who successfully defeated her entire team.
 and were added as Support Pokémon from this set. Players registering a Ga-Olé Pass for the first time would automatically receive Tyranitar as a Support Pokémon as part of the Pokémon Ga-Olé Welcome Campaign.
===Course summary===
===Trainer and Battle mode opponents===
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Hot-blooded Boy Tatsuyaねっけつしょうねんのタツヤ 	
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==Set list==
Category:Ga-Olé expansion sets
ja:ポケモンガオーレ ダッシュ4弾