Celesteela makes the most of its typing, utility options, and great natural bulk on both sides to serve as a fantastic wall, capable of holding teams together against threats such as Aegislash, Excadrill, and Mega Latias. Leech Seed serves as Celesteela's main recovery move, capitalizing on the many switches it forces while also being able to deter incoming walls such as Rotom-Wash and Hippowdon, which may otherwise try and take advantage of it. Heavy Slam acts as Celesteela's main STAB attack; with its massive weight, Celesteela threatens to OHKO Iron Boulder, Mega Aerodactyl, and Alakazam, on top of being able to 2HKO physically defensive Clefable. On the other hand, Air Slash deals more damage to Grass- and Fighting-types such as Amoonguss, Mega Venusaur, and Keldeo, preventing the former two from switching in to absorb its Leech Seed and deterring the latter from trying to use it as setup fodder. Protect allows Celesteela to accrue recovery from Leech Seed and Leftovers as well as scout the intentions of Choice item users such as Tyranitar. However, Toxic is also a relevant option, assisting Celesteela against Regenerator pivots such as Assault Vest Tangrowth, Slowbro, and Slowking. Flamethrower OHKOes most Scizor sets and provides a coverage option for other Steel-types such as Aegislash, Skarmory, and opposing Celesteela. Alternatively, at the cost of its ability to hit several of the aforementioned Pokemon, Earthquake gives Celesteela a more reliable option to hit Iron Moth and Magnezone, preventing them from KOing it in return. Maximum HP and Special Defense investment give Celesteela the best odds at surviving attacks from the likes of Alakazam, Hydreigon, and Aegislash. Alternatively, 96 Defense EVs in conjunction with a Relaxed nature improve Celesteela's ability to take on physical attackers, most notably avoiding a 2HKO from Choice Band Iron Boulder's Mighty Cleave after Leftovers recovery. Defensive Celesteela fits best on bulky offense and balance teams that appreciate its lack of passivity over Skarmory, being comfortable with falling back on it without losing momentum against threats such as Mega Latias and Hydreigon. Walls such as Amoonguss, Hippowdon, and Slowking appreciate Celesteela's ability to help cover several of the aforementioned Dragon-, Psychic-, and Grass-type threats. In return, they can help supplement Celesteela's ability to spread chip damage through the use of entry hazards or status moves as well as answer threats that may overwhelm it, such as Swords Dance Iron Boulder and Keldeo. On the other hand, faster revenge killers such as Zeraora, Choice Scarf Mienshao, and Sand Rush Excadrill are similarly effective at keeping these Pokemon, as well as other setup sweepers such as Galarian Moltres, in check; the former two are also able to assist Celesteela in breaking down walls with Knock Off, whereas Excadrill can utilize Rapid Spin to ensure it isn't being worn down by Stealth Rock. Lastly, Celesteela is very reliant on Leftovers for recovery; the likes of Clefable, Rillaboom, and Alakazam can opt to exploit this by luring it with Knock Off; thus, Knock Off absorbers such as Mega Venusaur and Scizor can prove vital while attempting to scout these Pokemon.