The Hero Core mechanism has been basically removed in TFT season 9, however, Riot Games still favorably retains certain Cores, but the hegemony is uncertain.
In season 9 of DTCL, the Hero Core was basically removed, this mechanism has been integrated into the Gold Core. As a result, its power threshold is completely nerfed down to be more suitable (only for 2 gold units).
Riot Games only retains 5 Hero Cores in the new season.
Winds of War – Galio
Get 1 Galio. The strongest Galio’s skills are wider, and enemies hit take damage equal to 8% of their maximum health per second.

Riftwalk – Kassadin
Before casting the skill, the strongest Kassadin will gain 20 AP and attack the furthest enemy within 3 cells, however his Skill no longer disarms or shields. Mana cast is reduced by 30.

The Boss (roughly translated: Big Brother) – Sett
Get 1 Sett. The first time the strongest Sett drops to 40% health, he will temporarily rest and sit up. Each crunch heals Sett for 15% of his maximum health, along with 20% of his AD and AP.

Demonflare – Swain
Get 1 Swain. The strongest Swain deals 4% more damage for every 100 max health.

Ravenous Hunter – Warwick
Get 1 Warwick. When the strongest Warwick takes or deals damage, he gains 3% AD and 3 AP.
>> MORE: DTCL: 3 ‘always on’ Upgrade Cores are waiting for gamers to experience in season 9
With the above 5 generals, besides Warwick, no unit is a true main force, instead, it is Gladiator or Tanker. Therefore, choosing to upgrade and focus on rerolling to raise hopes for them to carry the team like now is not feasible.
Even a pure damage core like Kassadin gets little attention because this unit is very wasteful in the mid to late game despite being 3 stars.
Ideally, players only choose the above upgrades when there are many copies of the champion or there is a potential of 3 stars early to optimize their strength to withstand the backline carry’s damage.

On the other hand, Warwick with the Roroll Duel roster is an exception. This will be a smart choice because the large bonus attack speed will help Warwick quickly accumulate ruthless Hunter stacks and carry you in the early stages before Kai’Sa or Yasuo add damage later:

In conclusion, the ability of units with their own upgrade cores will be significantly limited. However, they still guarantee a ‘buff’ of strength for the above generals, so players can take advantage of it to defy health and find other stronger carry options at the end of the game.
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