Scorched Tollbooth

Scorched Tollbooth is the sixth and final stage of Blizzard Boulevard, the 45th sub-chapter of Stories of Legend. This is the debut stage for the new enemy, Hackey, which is protected by many Rain D's

Battleground
The first Rain D. spawns ~3.3 seconds in. Hackey joins in ~6.6 seconds later. The second Rain D. follows ~24.3 seconds later. The third spawning in at 30 seconds after the previous. The fourth Rain D. spawns ~62.6 seconds after. The fifth Rain D. spawns as soon as the base's health drops to 99%.

Strategies
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Reference

 * https://battlecats-db.com/stage/s00044-06.html