As nami, When playing Yuumi against Nami, it can be beneficial to keep the minion wave close to your side of the lane. This creates opportunities for your jungler to gank and potentially secure kills or summoner spells from Nami and her ADC.

Be aware that at level 6, Nami's kill pressure increases significantly, especially if she lands her Aqua Prison (Q). It's crucial to be cautious and avoid getting caught by her crowd control, as it can lead to your demise or that of your ADC. Position yourself defensively and be prepared to detach and use your E (Zoomies) for the speed boost to help dodge her abilities during fights.

When engaging in poke or dismounting to auto-attack, try to anticipate Nami's Aqua Prison and actively dodge it. Utilize the speed boost from your E ability to help you sidestep her skill shots more effectively, increasing your chances of avoiding her crowd control.

Consider investing in healing reduction items early in the game to counter Nami's sustain. It can significantly reduce the effectiveness of her healing abilities, diminishing her ability to sustain herself and her ADC in trades or all-ins. As nami, By playing Yuumi against Nami, it can be beneficial to keep the wave of minions near your side of the way. This creates opportunities for your gank jungler and potentially secure kills or summons spells of Nami and his ADC. Be aware that at level 6, Nami's death pressure increases considerably, especially if she lands her Aqua Prison (Q). It is crucial to be careful and avoid being caught by his crowd control, as it can lead to your death or that of your ADC. Stand defensively and be ready to detach and use your E (Zoomies) to increase speed to help squander his abilities during the fighting.