Rillaboom
#3 in the Sword and Shield Pokédex • Drummer Pokémon
Sword
By drumming, it taps into the power of its special tree stump. The roots of the stump follow its direction in battle.
Shield
The one with the best drumming techniques becomes the boss of the troop. It has a gentle disposition and values harmony among its group.
Pokédexes
Egg Group
Steps to Hatch
Effort Values Yielded
Gender Ratio
Capture Rate
Base Experience
| Pokémon | Requires | Evolution |
|---|---|---|
![]() Grookey #1 | Level 16 | ![]() Thwackey #2 |
![]() Thwackey #2 | Level 35 | ![]() Rillaboom #3 |

Normal

Shiny
Rillaboom
Drummer Pokémon

HP
100
Attack
125
Defense
90
Sp. Atk
60
Sp. Def
70
Speed
85
Total
530
Type Chart
Weaknesses
Takes 2× from





Resistances
Takes 0.5× from




| Class | Description | ||||||
|---|---|---|---|---|---|---|---|
| Start | Drum Beating | ![]() | Physical | 80 | 100 | 10 | The user plays its drum, controlling the drum’s roots to attack the target. This also lowers the target’s Speed stat. |
| Start | Scratch | ![]() | Physical | 40 | 100 | 35 | Hard, pointed, sharp claws rake the target to inflict damage. |
| Start | Growl | ![]() | Status | - | 100 | 40 | The user growls in an endearing way, making opposing Pokémon less wary. This lowers their Attack stats. |
| Start | Taunt | ![]() | Status | - | 100 | 20 | The target is taunted into a rage that allows it to use only attack moves for three turns. |
| Start | Double Hit | ![]() | Physical | 35 | 90 | 10 | The user slams the target with a long tail, vines, or a tentacle. The target is hit twice in a row. |
| Start | Noble Roar | ![]() | Status | - | 100 | 30 | Letting out a noble roar, the user intimidates the target and lowers its Attack and Sp. Atk stats. |
| Start | Grassy Terrain | ![]() | Status | - | - | 10 | The user turns the ground to grass for five turns. This restores the HP of Pokémon on the ground a little every turn and powers up Grass-type moves. |
| Start | Drum Beating | ![]() | Physical | 80 | 100 | 10 | The user plays its drum, controlling the drum’s roots to attack the target. This also lowers the target’s Speed stat. |
| Start | Branch Poke | ![]() | Physical | 40 | 100 | 40 | The user attacks the target by poking it with a sharply pointed branch. |
| 12 | Razor Leaf | ![]() | Physical | 55 | 95 | 25 | Sharp-edged leaves are launched to slash at opposing Pokémon. Critical hits land more easily. |
| 19 | Screech | ![]() | Status | - | 85 | 40 | An earsplitting screech harshly lowers the target’s Defense stat. |
| 24 | Knock Off | ![]() | Physical | 65 | 100 | 20 | The user slaps down the target’s held item, and that item can’t be used in that battle. The move does more damage if the target has a held item. |
| 30 | Slam | ![]() | Physical | 80 | 75 | 20 | The target is slammed with a long tail, vines, or the like to inflict damage. |
| 38 | Uproar | ![]() | Special | 90 | 100 | 10 | The user attacks in an uproar for three turns. During that time, no Pokémon can fall asleep. |
| 46 | Wood Hammer | ![]() | Physical | 120 | 100 | 15 | The user slams its rugged body into the target to attack. This also damages the user quite a lot. |
| 54 | Endeavor | ![]() | Physical | - | 100 | 5 | This attack move cuts down the target’s HP to equal the user’s HP. |
| 62 | Boomburst | ![]() | Special | 140 | 100 | 10 | The user attacks everything around it with the destructive power of a terrible, explosive sound. |
| Class | Description | ||||||
|---|---|---|---|---|---|---|---|
| TM00 | Mega Punch | ![]() | Physical | 80 | 85 | 20 | The target is slugged by a punch thrown with muscle-packed power. |
| TM01 | Mega Kick | ![]() | Physical | 120 | 75 | 5 | The target is attacked by a kick launched with muscle-packed power. |
| TM08 | Hyper Beam | ![]() | Special | 150 | 90 | 5 | The target is attacked with a powerful beam. The user can’t move on the next turn. |
| TM09 | Giga Impact | ![]() | Physical | 150 | 90 | 5 | The user charges at the target using every bit of its power. The user can’t move on the next turn. |
| TM10 | Magical Leaf | ![]() | Special | 60 | - | 20 | The user scatters curious leaves that chase the target. This attack never misses. |
| TM11 | Solar Beam | ![]() | Special | 120 | 100 | 10 | In this two-turn attack, the user gathers light, then blasts a bundled beam on the next turn. |
| TM12 | Solar Blade | ![]() | Physical | 125 | 100 | 10 | In this two-turn attack, the user gathers light and fills a blade with the light’s energy, attacking the target on the next turn. |
| TM16 | Screech | ![]() | Status | - | 85 | 40 | An earsplitting screech harshly lowers the target’s Defense stat. |
| TM21 | Rest | ![]() | Status | - | - | 5 | The user goes to sleep for two turns. This fully restores the user’s HP and heals any status conditions. |
| TM24 | Snore | ![]() | Special | 50 | 100 | 15 | This attack can be used only if the user is asleep. The harsh noise may also make the target flinch. |
| TM25 | Protect | ![]() | Status | - | - | 10 | This move enables the user to protect itself from all attacks. Its chance of failing rises if it is used in succession. |
| TM26 | Scary Face | ![]() | Status | - | 100 | 10 | The user frightens the target with a scary face to harshly lower its Speed stat. |
| TM28 | Giga Drain | ![]() | Special | 75 | 100 | 10 | A nutrient-draining attack. The user’s HP is restored by half the damage taken by the target. |
| TM31 | Attract | ![]() | Status | - | 100 | 15 | If it is the opposite gender of the user, the target becomes infatuated and less likely to attack. |
| TM34 | Sunny Day | ![]() | Status | - | - | 5 | The user intensifies the sun for five turns, powering up Fire-type moves. It lowers the power of Water-type moves. |
| TM39 | Facade | ![]() | Physical | 70 | 100 | 20 | This attack move doubles its power if the user is poisoned, burned, or paralyzed. |
| TM40 | Swift | ![]() | Special | 60 | - | 20 | Star-shaped rays are shot at opposing Pokémon. This attack never misses. |
| TM43 | Brick Break | ![]() | Physical | 75 | 100 | 15 | The user attacks with a swift chop. It can also break barriers, such as Light Screen and Reflect. |
| TM50 | Bullet Seed | ![]() | Physical | 25 | 100 | 30 | The user forcefully shoots seeds at the target two to five times in a row. |
| TM53 | Mud Shot | ![]() | Special | 55 | 95 | 15 | The user attacks by hurling a blob of mud at the target. This also lowers the target’s Speed stat. |
| TM56 | U-turn | ![]() | Physical | 70 | 100 | 20 | After making its attack, the user rushes back to switch places with a party Pokémon in waiting. |
| TM58 | Assurance | ![]() | Physical | 60 | 100 | 10 | If the target has already taken some damage in the same turn, this attack’s power is doubled. |
| TM59 | Fling | ![]() | Physical | - | 100 | 10 | The user flings its held item at the target to attack. This move’s power and effects depend on the item. |
| TM63 | Drain Punch | ![]() | Physical | 75 | 100 | 10 | An energy-draining punch. The user’s HP is restored by half the damage taken by the target. |
| TM76 | Round | ![]() | Special | 60 | 100 | 15 | The user attacks the target with a song. Others can join in the Round to increase the power of the attack. |
| TM78 | Acrobatics | ![]() | Physical | 55 | 100 | 15 | The user nimbly strikes the target. If the user is not holding an item, this attack inflicts massive damage. |
| TM81 | Bulldoze | ![]() | Physical | 60 | 100 | 20 | The user strikes everything around it by stomping down on the ground. This lowers the Speed stats of those hit. |
| TM85 | Snarl | ![]() | Special | 55 | 95 | 15 | The user yells as if it’s ranting about something, which lowers the Sp. Atk stats of opposing Pokémon. |
| TM88 | Grassy Terrain | ![]() | Status | - | - | 10 | The user turns the ground to grass for five turns. This restores the HP of Pokémon on the ground a little every turn and powers up Grass-type moves. |
| TM94 | False Swipe | ![]() | Physical | 40 | 100 | 40 | A restrained attack that prevents the target from fainting. The target is left with at least 1 HP. |
| TM97 | Brutal Swing | ![]() | Physical | 60 | 100 | 20 | The user swings its body around violently to inflict damage on everything in its vicinity. |
| TM98 | Stomping Tantrum | ![]() | Physical | 75 | 100 | 10 | Driven by frustration, the user attacks the target. If the user’s previous move has failed, the power of this move doubles. |
| TR00 | Swords Dance | ![]() | Status | - | - | 20 | A frenetic dance to uplift the fighting spirit. This sharply raises the user’s Attack stat. |
| TR01 | Body Slam | ![]() | Physical | 85 | 100 | 15 | The user drops onto the target with its full body weight. This may also leave the target with paralysis. |
| TR07 | Low Kick | ![]() | Physical | - | 100 | 20 | A powerful low kick that makes the target fall over. The heavier the target, the greater the move’s power. |
| TR10 | Earthquake | ![]() | Physical | 100 | 100 | 10 | The user sets off an earthquake that strikes every Pokémon around it. |
| TR13 | Focus Energy | ![]() | Status | - | - | 30 | The user takes a deep breath and focuses so that critical hits land more easily. |
| TR20 | Substitute | ![]() | Status | - | - | 10 | The user creates a substitute for itself using some of its HP. The substitute serves as the user’s decoy. |
| TR26 | Endure | ![]() | Status | - | - | 10 | The user endures any attack with at least 1 HP. Its chance of failing rises if it is used in succession. |
| TR27 | Sleep Talk | ![]() | Status | - | - | 10 | While it is asleep, the user randomly uses one of the moves it knows. |
| TR35 | Uproar | ![]() | Special | 90 | 100 | 10 | The user attacks in an uproar for three turns. During that time, no Pokémon can fall asleep. |
| TR37 | Taunt | ![]() | Status | - | 100 | 20 | The target is taunted into a rage that allows it to use only attack moves for three turns. |
| TR39 | Superpower | ![]() | Physical | 120 | 100 | 5 | The user attacks the target with great power. However, this also lowers the user’s Attack and Defense stats. |
| TR42 | Hyper Voice | ![]() | Special | 90 | 100 | 10 | The user lets loose a horribly echoing shout with the power to inflict damage. |
| TR48 | Bulk Up | ![]() | Status | - | - | 20 | The user tenses its muscles to bulk up its body, raising both its Attack and Defense stats. |
| TR64 | Focus Blast | ![]() | Special | 120 | 70 | 5 | The user heightens its mental focus and unleashes its power. This may also lower the target’s Sp. Def stat. |
| TR65 | Energy Ball | ![]() | Special | 90 | 100 | 10 | The user draws power from nature and fires it at the target. This may also lower the target’s Sp. Def stat. |
| TR67 | Earth Power | ![]() | Special | 90 | 100 | 10 | The user makes the ground under the target erupt with power. This may also lower the target’s Sp. Def stat. |
| TR71 | Leaf Storm | ![]() | Special | 130 | 90 | 5 | The user whips up a storm of leaves around the target. The attack’s recoil harshly lowers the user’s Sp. Atk stat. |
| TR77 | Grass Knot | ![]() | Special | - | 100 | 20 | The user snares the target with grass and trips it. The heavier the target, the greater the move’s power. |
| TR85 | Work Up | ![]() | Status | - | - | 30 | The user is roused, and its Attack and Sp. Atk stats increase. |
| TR93 | Darkest Lariat | ![]() | Physical | 85 | 100 | 10 | The user swings both arms and hits the target. The target’s stat changes don’t affect this attack’s damage. |
| TR94 | High Horsepower | ![]() | Physical | 95 | 95 | 10 | The user fiercely attacks the target using its entire body. |
| TR99 | Body Press | ![]() | Physical | 80 | 100 | 10 | The user attacks by slamming its body into the target. The higher the user’s Defense, the more damage it can inflict on the target. |
| Class | Description | |||||
|---|---|---|---|---|---|---|
| Frenzy Plant | ![]() | Special | 150 | 90 | 5 | The user slams the target with the roots of an enormous tree. The user can’t move on the next turn. |
| Grass Pledge | ![]() | Special | 80 | 100 | 10 | A column of grass hits the target. When used with its water equivalent, its power increases and a vast swamp appears. |
| Grassy Glide | ![]() | Physical | 55 | 100 | 20 | Gliding on the ground, the user attacks the target. This move always goes first on Grassy Terrain. |
Overgrow
Ability Slot 1
Powers up Grass-type moves when the Pokémon’s HP is low.
Strengthens Grass moves to inflict 1.5× damage at 1/3 max HP or less.
Grassy Surge
Hidden Ability
Turns the ground into Grassy Terrain when the Pokémon enters a battle.
When this Pokémon enters battle, it changes the terrain to Grassy Terrain.





















Physical
Status
Special

