Undead Summoner: Skills upgrade once per second
亡灵召唤师：技能每秒升级一次
[Cool story + no heroine + invincible + dungeon flow]
Change to become a summoner of the dead, and the skills can be upgraded once per second, and there is no upper limit for permanent upgrades.
[Small Skeleton Summoning] - [Big Skeleton Summoning] - [Elite Skeleton Summoning] - [Epic Skeleton Summoning]
[Desperate Skeleton Summoning]
[Scary Skeleton Summoning]
…
After N upgrades
[Skeleton Summoning to Welcome the Return of the Great Skeleton King]
In addition, there are [Hellfire Summoning] [Hellhound Summoning] [Bone Dragon Summoning] [Ghost Summoning]…
Skills are upgraded once per second, how do you deal with it?
