Tactical Bonuses are experience multipliers that can be achieved after performing certain actions during both Field and Command Battles. There are in-game achievements and rewards tied to obtaining a x2.0, x3.0, x4.0, and x5.0 multiplier. These rewards are 50 Sepith Mass, 500 Sepith Mass, a Carbuncle Quartz and two Zeram Capsules, respectively.

The x4.0 multiplier offers the best reward: a Carbuncle Quartz. While the Quartz itself is decent (20% chance to absorb damage dealt by Arts), its main utility is making the 'Arc Feather' Shard Skill easily accesible thanks to its 5 Mirage elemental value.
This skill will greatly improve the performance of your casters, dealing 7 extra hits after casting an offensive Art and having a chance to Delay all the enemies it hits. Feri is one of its best users early on as her Orbment has an exclusive Mirage slot to double its value.

First, let's go over all the Tactical Bonuses available.

Note that unlike previous Trails games, these bonuses don't stack and you can only receive each bonus once! I'm also using a literal translation of their Japanese names, which might differ once the game is localized.



Here are some extra notes I couldn't include in the image:

• Even though there are two different versions of No Damage and Switcher, they don't stack. However, you do need to obtain No Damage (Field) to receive its Command counterpart. I'm getting some conflicting results after testing so I can't say I'm 100% sure about this, any input would be appreciated!
  In the same manner, only the higher of Super/Hyper Chain counts.
  
• No Damage (Command) doesn't take into account the damage dealt to Shields like Cobalt Courtain, it only checks the character's actual HP.
  
• Switcher (Command) is only available once you have more than 4 active party members.
  
• Revenger can be set up beforehand by letting enemies hit you in Field Battles until the party is at critical HP. A different battle theme will play during this pinch state, which activates when one of your character is defeated or half of the active party members are below 20% HP.
  
• Canceller is highly situational because the enemy needs to be able to use Arts to begin with. You should ignore this one most of the time.
  
• Triple Stun is very tricky to get since it only counts the stuns inflicted during Command Battles. Technically you could prepare the enemies' Stun gauge during the Field Battle but it's not worth the trouble in my opinion.

Next, this is the location I recommend to get this achievement.

There's a room with 7 enemies during the second visit to the Seaside Cave in Chapter 2 that has a giant fish, three big crabs and three weaker, smaller crabs. It's the perfect place to achieve a high Tactical Bonus!



Another option is also in Chapter 2, but during the first visit to the Seaside Cave instead of the second one. There's a room with 8 enemies (three big crabs, four weaker, smaller crabs and a jellyfish).
Since you only have three party members at this point, it will be difficult to obtain the 0.7 points from Seven Rush so you will have to go for Item Lover (0.4) and Revenger (0.6) to make up for it.

Of course, these aren't the only areas where this can be done but I'd say they are pretty good spots to get the Carbuncle Quartz early.
It's possible to obtain a x4.0 multiplier even during Chapter 1 as well, but it will be more challenging as you don't have a full party and your options for Quartz and Arts Drivers are more limited at that point.

Then, here's a quick demonstration on how to easily obtain a x4.0 Tactical Bonus multiplier.

Go to 1:00

• Field Battle

1. Run around to draw the attention of every enemy and group as many as you can. Ideally all seven become aggessive.
   
2. Target the big fish and start building its Stun gauge. You should aim for Just Dodge, Charge Attacker and Switcher and No Damage. Pay attention to the other enemies and be ready to dodge.

• Command Battle

1. Van can act several turns in a row thanks to his 'Howling Spirit' Craft, making Seven Rush easier to obtain. Afterwards, position Van and use 'Stun Slash' or 'Aerial Buster', preferably the former due to its decent range, to get Excel Craft. Be mindful of Van's CP in case you want to use his S-Craft later on.
   
2. Aerial Dust is one of the best Arts to increase the combo counter, dealing up to 10 hits per enemy. Both Agnès and Feri should cast it, targetting different groups of enemies to chip them down. All crabs are also weak to Wind so you can get Weak Maker.
   
3. Aaron's Hundred Flower Slash has a chance to Delay all the enemies it hits, so it’s easier for the party to act consecutively.
   
4. If you don't have Seven Rush yet, keep acting until you see NEXT under an enemy. Remember that you can steal an enemy's turn with an S-Break (RT + D-pad).
   
5. An S-Craft at this point should net you Around Kill and No Damage assuming you didn't get hit.
   
6. Congrats, you now have an exact x4.0 multiplier!

And finally, these are some tips that can help you obtain a high multiplier.

1. Remember to check the turn order with LT and plan your actions accordingly!
   
2. In the Tactics menu you can set characters to converge around the leader and focus on the same target during Field Battles. Once the Command Battle starts, the other party members will be close for an easier SCLM Support/Chain activation.
   
3. My Van has the 'Fatal Lancer' Shard Skill equipped so he will automatically finish off the remaining weakened enemies. Assuming some enemies survive after the S-Craft, you can take advantage of the situation and use 3 items for Item Lover.
   
4. Likewise, you can start the battle at critical HP to gain the points from Revenger in case it's difficult to get some other bonus, like Seven Rush.
   
5. Equip Van and Aaron with 'Impede' Quartz so their attacks have a small chance to inflict Delay. In addition, equip Feri and Agnès with a 'Cast' Quartz to slightly reduce their casting time. A 'Wind Spirit's Verse' Quartz could be useful to reduce their Delay after casting Aerial Dust in case you need the extra turns.
   
6. Since you're grouping so many enemies together, it's also the perfect opportunity to obtain the achievements tied to dealing a certain amounts of hits and defeating several enemies at once!

This is the first guide I've written in here so it might be a bit messy. If you have any suggestions on how to improve the guide or extra information that I may have missed, just let me know down below.

In any case, I hope this guide proves useful and thanks for reading!

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• 2/9/23: Initial publication of the guide.
  
• 5/9/23: Added a couple of things I missed now that I'm doing another playthrough.
  
• 9/9/23: Finally figured out how to properly embed the YT video.
  
• 18/5/24: Added an extra location in the 'Recommended Location' section.
  
• 22/6/24: Changed the title of the guide to better reflect its contents.
  
• 15/7/24: Added information about how to trigger 'Revenger' and some minor fixes across the guide.
  
• 18/7/24: Clarified how both 'No Damage' Tactical Bonuses work. Kinda? I'm getting some conflicting results after testing so I can't say I'm 100% sure about it, any input would be appreciated!