diff --git a/src/app/about/sections/knowledge/accordion.tsx b/src/app/about/sections/knowledge/accordion.tsx
index 24732724..8ade7032 100644
--- a/src/app/about/sections/knowledge/accordion.tsx
+++ b/src/app/about/sections/knowledge/accordion.tsx
@@ -78,13 +78,14 @@ export function KnowledgeInfo({ knowledge }: { knowledge: Knowledge }) {
   return (
     <div
       key={knowledge.title}
+      data-is-learning={knowledge.status === 'learning'}
       data-is-bad={knowledge.status === 'bad'}
-      className="relative flex items-center justify-center gap-1 rounded-2xl bg-neutral-900/5 p-4 leading-none data-[is-bad='true']:opacity-50 dark:bg-neutral-300/5"
+      className="relative flex items-center justify-center gap-1 overflow-hidden rounded-2xl bg-neutral-900/5 p-4 leading-none data-[is-learning='true']:animate-pulse data-[is-bad='true']:opacity-50 dark:bg-neutral-300/5"
     >
       <span>{knowledge.icon({})}</span>
       <span>{knowledge.title}</span>
 
-      {knowledge.status === 'learning' && <Dot />}
+      {knowledge.status === 'stack' && <Dot />}
     </div>
   )
 }
diff --git a/src/app/about/sections/knowledge/index.tsx b/src/app/about/sections/knowledge/index.tsx
index f79e32ac..3a8e77f8 100644
--- a/src/app/about/sections/knowledge/index.tsx
+++ b/src/app/about/sections/knowledge/index.tsx
@@ -37,6 +37,19 @@ export function Knowledge() {
           </AccordionTrigger>
           <AccordionContent>
             <div className="space-y-3">
+              <div className="flex items-center gap-6">
+                <KnowledgeInfo
+                  knowledge={{
+                    title: 'Skill',
+                    color: '#fff',
+                    status: 'stack',
+                    icon: ToolsIcon
+                  }}
+                />
+                <span className="text-lg">
+                  My main stack, the skills that I am most comfortable with.
+                </span>
+              </div>
               <div className="flex items-center gap-6">
                 <KnowledgeInfo
                   knowledge={{
@@ -92,20 +105,26 @@ export function Knowledge() {
           const badSkills = category.knowledgeList.filter(
             skill => skill.status === 'bad'
           )
+          const stackSkills = category.knowledgeList.filter(
+            skill => skill.status === 'stack'
+          )
 
           return (
             <AccordionItem key={category.title} value={category.title}>
               <AccordionTrigger>{category.title}</AccordionTrigger>
               <AccordionContent>
                 <div className="flex flex-wrap gap-3">
-                  {[...learningSkills, ...godSkills, ...badSkills].map(
-                    knowledge => (
-                      <KnowledgeInfo
-                        knowledge={knowledge}
-                        key={knowledge.title}
-                      />
-                    )
-                  )}
+                  {[
+                    ...stackSkills,
+                    ...godSkills,
+                    ...learningSkills,
+                    ...badSkills
+                  ].map(knowledge => (
+                    <KnowledgeInfo
+                      knowledge={knowledge}
+                      key={knowledge.title}
+                    />
+                  ))}
                 </div>
               </AccordionContent>
             </AccordionItem>
diff --git a/src/app/about/sections/knowledge/knowledge-categories.tsx b/src/app/about/sections/knowledge/knowledge-categories.tsx
index 6e5cf0df..fcff4652 100644
--- a/src/app/about/sections/knowledge/knowledge-categories.tsx
+++ b/src/app/about/sections/knowledge/knowledge-categories.tsx
@@ -57,7 +57,8 @@ import {
   CodespacesIcon,
   GitpodIcon,
   VimIcon,
-  GlpiIcon
+  GlpiIcon,
+  AngularIcon
 } from '~/components/icons'
 
 type IconType = (props: SVGProps<SVGSVGElement>) => JSX.Element
@@ -66,7 +67,7 @@ export interface Knowledge {
   icon: IconType
   title: string
   color: string
-  status: 'god' | 'bad' | 'learning'
+  status: 'god' | 'bad' | 'learning' | 'stack'
 }
 
 export const knowledgeCategories: {
@@ -84,19 +85,19 @@ export const knowledgeCategories: {
       },
       {
         title: 'Typescript',
-        status: 'god',
+        status: 'stack',
         icon: TypescriptIcon,
         color: '#3178C6'
       },
       {
         title: 'Python',
-        status: 'god',
+        status: 'stack',
         icon: PythonIcon,
         color: '#3776AB'
       },
       {
         title: 'Rust',
-        status: 'learning',
+        status: 'god',
         icon: RustIcon,
         color: '#F74C00'
       },
@@ -122,7 +123,7 @@ export const knowledgeCategories: {
         title: 'Java',
         icon: JavaIcon,
         color: '#f89820',
-        status: 'bad'
+        status: 'learning'
       },
       {
         title: 'C++',
@@ -143,25 +144,25 @@ export const knowledgeCategories: {
     knowledgeList: [
       {
         title: 'HTML5',
-        status: 'god',
+        status: 'stack',
         icon: HTML5Icon,
         color: '#E34F26'
       },
       {
         title: 'CSS3',
-        status: 'god',
+        status: 'stack',
         icon: CSS3Icon,
         color: '#1572B6'
       },
       {
         title: 'React.js',
-        status: 'god',
+        status: 'stack',
         icon: ReactIcon,
         color: '#61DAFB'
       },
       {
         title: 'Next.js',
-        status: 'god',
+        status: 'stack',
         icon: NextIcon,
         color: '#FFFFFF'
       },
@@ -173,13 +174,19 @@ export const knowledgeCategories: {
       },
       {
         title: 'Svelte',
-        status: 'learning',
+        status: 'god',
         icon: SvelteIcon,
         color: '#FF3E00'
       },
+      {
+        title: 'Angular',
+        status: 'learning',
+        icon: AngularIcon,
+        color: '#c3002f'
+      },
       {
         title: 'Tailwind CSS',
-        status: 'god',
+        status: 'stack',
         icon: TailwindcssIcon,
         color: '#06B6D4'
       },
@@ -214,7 +221,7 @@ export const knowledgeCategories: {
     knowledgeList: [
       {
         title: 'Node.js',
-        status: 'god',
+        status: 'stack',
         icon: NodeIcon,
         color: '#339933'
       },
@@ -319,13 +326,13 @@ export const knowledgeCategories: {
       },
       {
         title: 'Docker',
-        status: 'god',
+        status: 'stack',
         icon: DockerIcon,
         color: '#2496ED'
       },
       {
         title: 'Linux',
-        status: 'god',
+        status: 'stack',
         icon: LinuxIcon,
         color: '#FCC624'
       },
@@ -372,13 +379,13 @@ export const knowledgeCategories: {
     knowledgeList: [
       {
         title: 'GIT',
-        status: 'god',
+        status: 'stack',
         icon: GitIcon,
         color: '#F34F29'
       },
       {
         title: 'Github',
-        status: 'god',
+        status: 'stack',
         icon: GithubIcon,
         color: '#181717'
       },
@@ -390,7 +397,7 @@ export const knowledgeCategories: {
       },
       {
         title: 'VSCode',
-        status: 'god',
+        status: 'stack',
         icon: VSCodeIcon,
         color: '#0065A9'
       },