There will be many Sword and Expedition students who don’t know how to substitute Sword and Expedition Resonance Crystal. Next is the "Sword and Expedition Resonance Crystal Substitution Method" recommended by the editor of Source Code.com. Users who have these questions should take a look. Maybe it can help everyone.
When the player reaches the mid-term, except for the 5 main upgraded crystal priests, there should generally be 15-20 crystal slots. After beating today's race tower, you can then see which race the next day's tower is. Check the The homework of the race tower is to see which functional roles are needed, remove the heroes from a few unimportant slots in the crystal, wait for 24 hours of CD, and put in the heroes of the corresponding race the next day, and combine them to advance the race. Tower, then move out and wait for CD, and so on on the third day, so that the purpose of substitution can be achieved.
For example: Today is Guangyao. Kill it first until you can no longer push it or reach the limit level, and then clean up the rest of the daily routine. The next day the racial tower is Brutal Blood. Check the homework. You need to use Pa Pa Bear and Brutal. corner, and these two characters have not been put into the crystal. At this time, go to the crystal to clear a few slots, wait for the CD to be ready the next day, put in some heroes that the Barbarian Blood needs to use, push the Barbarian Blood Tower, and then Pull it out again, and when the CD is ready on the third day, put in the corresponding character of the Green One to fight the tower.