Sentry Champion (formerly named Sentry Paragon before Version 28.0) is the Engineer Monkey's path 1 tier 5 upgrade in Bloons TD 6. It now deploys Champion Sentries that self-destruct after expiring, causing a large explosion that pops 50 Bloons (75 with Oversize Nails) and deals 100 damage. Champion Sentries shoot plasma balls that pop up to 5 Bloons (10 with Oversize Nails), and deal 3 damage (+1 MOAB-Class and +1 Fortified damage with Deconstruction), and have 50 range (54 with Larger Service Area).
This upgrade also reduces the attack cooldown of the Engineer's nail attack from 0.35s to 0.3s.
Note: this list does not factor in Monkey Knowledge or other discounts.
Tiers
Total cost
Sell value
Easy
Medium
Hard
Impoppable
Easy
Medium
Hard
Impoppable
5-0-0
$30,880
$36,325
$39,230
$43,590
$21,616
$25,428
$27,461
$30,513
5-1-0
$31,090
$36,575
$39,500
$43,890
$21,763
$25,603
$27,650
$30,723
5-2-0
$31,385
$36,925
$39,880
$44,310
$21,970
$25,848
$27,916
$31,017
5-0-1
$31,260
$36,775
$39,715
$44,130
$21,882
$25,743
$27,801
$30,891
5-0-2
$31,445
$36,995
$39,950
$44,395
$22,012
$25,897
$27,965
$31,077
Strategy
This strategy section is empty or incomplete. See the strategy guidelines for more information on how to write strategy sections. The editor who added this notice elaborates: State use cases for Sentry Champion (probably Bosses, and also stepping stone to Mbuilder?), and also some other synergies if any
Sentry Champion is a very weak tower without external buffs, however it becomes effective in the presence of them. Champion Sentries attack extremely fast with many projectiles, but have very low damage and pierce. They also inherit speed buffs from the Sentry Champion, effectively multiplying the effect of the buff by increasing both sentry attack speed and deployment rate. Thus, pairing it with at least a Call to Arms and Jungle Drums is mandatory for it to be a viable DPS option. Homeland Defense pairs similarly as a strong synergy, as the sentries get placed twice as quickly and each sentry gets the double attack speed and extra pierce buffs.
Sentry Champion also benefits from damage buffs and blimp debuffs. Despite a moderate tier 5 cost, it's one of the cheaper tier 5s when accounting for previous tiers, allowing more cash to be spent on the necessary buffs and debuffs.
The Deconstruction crosspath is preferred since its bonus damage to Fortified and MOAB-Class Bloons works well with the Champion Sentries' fast attacks. Sentry Champion's pierce problems are mostly mitigated via its speed synergies, and Pin doesn't affect Super Ceramics, making 5-0-2 crosspath almost redundant.
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Continuing our efforts to make crosspaths meaningful and fit the style of each path more solidly, a number of crosspath and base level balance shifts were made. — Update notes
”
Paragon Sentry: explosion radius now scales with range modifiers
Sentry: deployment rate increased ― 7s → 6s
5-1-0, 5-2-0
Larger Service Area crosspath now increases Sentry range by +4
5-0-1, 5-0-2
Oversize Nails crosspath now allows Sentries to pop frozen Bloons
Oversize Nails crosspath now increases Sentry pierce by 1
The MOAB offense of top path lacks for a mainly dps tower that is quite complex to use [...] the 320 crosspath will now be able to double dip on the Fortified & MOAB damage bonuses that it gains. — Update notes
Applying pierce crosspathing to Sentry Champion only granting an abysmal +1 pierce to the explosion while an intended joke at the time still feels a little silly, we’re separating that up to get its own larger increase now. — Update notes
Sentry placements are slightly changing to improve their reliability, and will now spawn closer to the track depending on how much range the sentry has. Sentry Champion, while strong with them, is lacking without high buff support so we’re trying out an increase to the sentry damage on it. — Update notes
”
Overall cost reduced by $50 (due to cost changes for previous tiers)
Champion Sentry: Damage increased ― 2 → 3
Sentry deployment: Sentries now spawn within 20% of their range to the track
This was becoming annoying screen clutter with large numbers of sentries, and feels unnecessary when you can overclock the engineer itself to create more sentries instead. — Update notes
”
Overclock and Ultraboost abilities no longer target Engineer sentries
Really only one major change here; a rebalancing to how the 2xx Crosspath applies across various engineer upgrades, and some base stats being changed to accommodate fitting this. — Update notes